Finding the Fourth Proportional to 224.71, 336.93 and 87.74
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Solution
The fourth proportional to 224.71, 336.93 and 87.74 is: 131.56
Step by Step Solution
- Step 1: Write the proportion equation
224.71 : 336.93 = 87.74 : x - Step 2: Convert to fraction form
224.71/336.93 = 87.74/x - Step 3: Cross multiply
224.71x = 336.93 × 87.74 - Step 4: Simplify right side
224.71x = 29,562.24 - Step 5: Solve for x
x = 29,562.24/224.71 - Step 6: Final answer
x = 131.56
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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.