Finding the Fourth Proportional to 134.11, 201.30 and 122.23
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Solution
The fourth proportional to 134.11, 201.30 and 122.23 is: 183.47
Step by Step Solution
- Step 1: Write the proportion equation
134.11 : 201.30 = 122.23 : x - Step 2: Convert to fraction form
134.11/201.30 = 122.23/x - Step 3: Cross multiply
134.11x = 201.30 × 122.23 - Step 4: Simplify right side
134.11x = 24,604.90 - Step 5: Solve for x
x = 24,604.90/134.11 - Step 6: Final answer
x = 183.47
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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.