Finding the Fourth Proportional to 437.74, 656.63 and 203.70
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Solution
The fourth proportional to 437.74, 656.63 and 203.70 is: 305.55
Step by Step Solution
- Step 1: Write the proportion equation
437.74 : 656.63 = 203.70 : x - Step 2: Convert to fraction form
437.74/656.63 = 203.70/x - Step 3: Cross multiply
437.74x = 656.63 × 203.70 - Step 4: Simplify right side
437.74x = 133,752.81 - Step 5: Solve for x
x = 133,752.81/437.74 - Step 6: Final answer
x = 305.55
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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.