Finding the Fourth Proportional to 134.46, 201.61 and 122.99
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Solution
The fourth proportional to 134.46, 201.61 and 122.99 is: 184.42
Step by Step Solution
- Step 1: Write the proportion equation
134.46 : 201.61 = 122.99 : x - Step 2: Convert to fraction form
134.46/201.61 = 122.99/x - Step 3: Cross multiply
134.46x = 201.61 × 122.99 - Step 4: Simplify right side
134.46x = 24,796.52 - Step 5: Solve for x
x = 24,796.52/134.46 - Step 6: Final answer
x = 184.42
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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.