Finding the Fourth Proportional to 437.77, 656.70 and 149.14
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Solution
The fourth proportional to 437.77, 656.70 and 149.14 is: 223.73
Step by Step Solution
- Step 1: Write the proportion equation
437.77 : 656.70 = 149.14 : x - Step 2: Convert to fraction form
437.77/656.70 = 149.14/x - Step 3: Cross multiply
437.77x = 656.70 × 149.14 - Step 4: Simplify right side
437.77x = 97,940.24 - Step 5: Solve for x
x = 97,940.24/437.77 - Step 6: Final answer
x = 223.73
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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.