Finding the Fourth Proportional to 134.19, 201.02 and 118.69
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Solution
The fourth proportional to 134.19, 201.02 and 118.69 is: 177.79
Step by Step Solution
- Step 1: Write the proportion equation
134.19 : 201.02 = 118.69 : x - Step 2: Convert to fraction form
134.19/201.02 = 118.69/x - Step 3: Cross multiply
134.19x = 201.02 × 118.69 - Step 4: Simplify right side
134.19x = 23,857.97 - Step 5: Solve for x
x = 23,857.97/134.19 - Step 6: Final answer
x = 177.79
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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.