Finding the Fourth Proportional to 134.26, 201.42 and 82.99
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Solution
The fourth proportional to 134.26, 201.42 and 82.99 is: 124.50
Step by Step Solution
- Step 1: Write the proportion equation
134.26 : 201.42 = 82.99 : x - Step 2: Convert to fraction form
134.26/201.42 = 82.99/x - Step 3: Cross multiply
134.26x = 201.42 × 82.99 - Step 4: Simplify right side
134.26x = 16,715.85 - Step 5: Solve for x
x = 16,715.85/134.26 - Step 6: Final answer
x = 124.50
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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.