Finding the Fourth Proportional to 437.61, 655.99 and 163.62
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Solution
The fourth proportional to 437.61, 655.99 and 163.62 is: 245.27
Step by Step Solution
- Step 1: Write the proportion equation
437.61 : 655.99 = 163.62 : x - Step 2: Convert to fraction form
437.61/655.99 = 163.62/x - Step 3: Cross multiply
437.61x = 655.99 × 163.62 - Step 4: Simplify right side
437.61x = 107,333.08 - Step 5: Solve for x
x = 107,333.08/437.61 - Step 6: Final answer
x = 245.27
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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.