Finding the Fourth Proportional to 133.92, 201.02 and 122.31
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Solution
The fourth proportional to 133.92, 201.02 and 122.31 is: 183.59
Step by Step Solution
- Step 1: Write the proportion equation
133.92 : 201.02 = 122.31 : x - Step 2: Convert to fraction form
133.92/201.02 = 122.31/x - Step 3: Cross multiply
133.92x = 201.02 × 122.31 - Step 4: Simplify right side
133.92x = 24,586.14 - Step 5: Solve for x
x = 24,586.14/133.92 - Step 6: Final answer
x = 183.59
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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.