Golden Ratio, Phi, and the Golden Rectangle in Design

Found in nature as well as the work of man, the golden rectangle or golden section is a visually pleasing geometric shape with specific proportions. The measurement of 1.61803398874989..., known as the Golden Mean or Phi, a sequence of numbers known as the Fibonacci Series, and the Golden Rectangle are all mathematically connected. However, for the layperson the primary ratio of interest is 3:5 or 5:3 -- the Golden Proportion.

Explore the mathematics and the art of the Golden Proportions and the Golden Rectangle, especially as it applies to paper sizes, page layout, and graphic design.