Finding the Fourth Proportional to 134.44, 202.02 and 76.75
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Solution
The fourth proportional to 134.44, 202.02 and 76.75 is: 115.33
Step by Step Solution
- Step 1: Write the proportion equation
134.44 : 202.02 = 76.75 : x - Step 2: Convert to fraction form
134.44/202.02 = 76.75/x - Step 3: Cross multiply
134.44x = 202.02 × 76.75 - Step 4: Simplify right side
134.44x = 15,505.04 - Step 5: Solve for x
x = 15,505.04/134.44 - Step 6: Final answer
x = 115.33
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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.