Finding the Fourth Proportional to 224.11, 336.08 and 87.14
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Solution
The fourth proportional to 224.11, 336.08 and 87.14 is: 130.67
Step by Step Solution
- Step 1: Write the proportion equation
224.11 : 336.08 = 87.14 : x - Step 2: Convert to fraction form
224.11/336.08 = 87.14/x - Step 3: Cross multiply
224.11x = 336.08 × 87.14 - Step 4: Simplify right side
224.11x = 29,284.85 - Step 5: Solve for x
x = 29,284.85/224.11 - Step 6: Final answer
x = 130.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.