Finding the Fourth Proportional to 432.26, 593.51 and 420.99
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Solution
The fourth proportional to 432.26, 593.51 and 420.99 is: 578.02
Step by Step Solution
- Step 1: Write the proportion equation
432.26 : 593.51 = 420.99 : x - Step 2: Convert to fraction form
432.26/593.51 = 420.99/x - Step 3: Cross multiply
432.26x = 593.51 × 420.99 - Step 4: Simplify right side
432.26x = 249,857.44 - Step 5: Solve for x
x = 249,857.44/432.26 - Step 6: Final answer
x = 578.02
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.