Step 1: Examine the structure of Leonardo da Vinci's "Last Supper." This painting exemplifies High Renaissance composition, notable for its mathematical exactness, balance, and use of linear perspective. Christ serves as the central focal point.
Step 2: Evaluate the compositional concepts. Renaissance artists and mathematicians, including Leonardo's colleague Luca Pacioli, extensively explored the Golden Ratio (roughly 1.618:1), also called the Divine Proportion. They viewed it as crucial for achieving pleasing and balanced proportions.
Step 3: Implement the concept in the painting. Art historians and analysts have demonstrated that the core proportions of the "Last Supper"—including room dimensions, figure placement, and the positioning of architectural features like windows and the table—correlate closely with the Golden Ratio. Though the Rule of Thirds is a common compositional method, the "Last Supper"'s sophisticated and mathematical framework aligns more closely with the Golden Ratio.