Finding the Fourth Proportional to 536.67, 803.88 and 431.99
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Solution
The fourth proportional to 536.67, 803.88 and 431.99 is: 647.08
Step by Step Solution
- Step 1: Write the proportion equation
536.67 : 803.88 = 431.99 : x - Step 2: Convert to fraction form
536.67/803.88 = 431.99/x - Step 3: Cross multiply
536.67x = 803.88 × 431.99 - Step 4: Simplify right side
536.67x = 347,264.10 - Step 5: Solve for x
x = 347,264.10/536.67 - Step 6: Final answer
x = 647.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.