In mathematics, a proportion obtained if a point P divides a straight line AB in such manner that AP : PB = AB : AP; also known as the golden section. It is often denoted by
It was applied to architecture by Vitruvius, and much discussed during the Renaissance. Pietro della Francesca's 'Baptism of Christ' (National Gallery, London) is just one example of a composition set up according to this proportion.
Numerical proportion considered to be an aesthetic ideal in classical design. It refers to the ratio of the base to the height of a rectangle or to the division of ...