Finding the Fourth Proportional to 538.68, 805.99 and 451.08
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Solution
The fourth proportional to 538.68, 805.99 and 451.08 is: 674.92
Step by Step Solution
- Step 1: Write the proportion equation
538.68 : 805.99 = 451.08 : x - Step 2: Convert to fraction form
538.68/805.99 = 451.08/x - Step 3: Cross multiply
538.68x = 805.99 × 451.08 - Step 4: Simplify right side
538.68x = 363,565.97 - Step 5: Solve for x
x = 363,565.97/538.68 - Step 6: Final answer
x = 674.92
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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.