Finding the Fourth Proportional to 134.24, 201.19 and 57.12
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Solution
The fourth proportional to 134.24, 201.19 and 57.12 is: 85.61
Step by Step Solution
- Step 1: Write the proportion equation
134.24 : 201.19 = 57.12 : x - Step 2: Convert to fraction form
134.24/201.19 = 57.12/x - Step 3: Cross multiply
134.24x = 201.19 × 57.12 - Step 4: Simplify right side
134.24x = 11,491.97 - Step 5: Solve for x
x = 11,491.97/134.24 - Step 6: Final answer
x = 85.61
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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.