Finding the Fourth Proportional to 437.76, 656.36 and 149.14
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Solution
The fourth proportional to 437.76, 656.36 and 149.14 is: 223.61
Step by Step Solution
- Step 1: Write the proportion equation
437.76 : 656.36 = 149.14 : x - Step 2: Convert to fraction form
437.76/656.36 = 149.14/x - Step 3: Cross multiply
437.76x = 656.36 × 149.14 - Step 4: Simplify right side
437.76x = 97,889.53 - Step 5: Solve for x
x = 97,889.53/437.76 - Step 6: Final answer
x = 223.61
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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.