Finding the Fourth Proportional to 88.70, 132.97 and 48.08
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Solution
The fourth proportional to 88.70, 132.97 and 48.08 is: 72.07
Step by Step Solution
- Step 1: Write the proportion equation
88.70 : 132.97 = 48.08 : x - Step 2: Convert to fraction form
88.70/132.97 = 48.08/x - Step 3: Cross multiply
88.70x = 132.97 × 48.08 - Step 4: Simplify right side
88.70x = 6,392.65 - Step 5: Solve for x
x = 6,392.65/88.70 - Step 6: Final answer
x = 72.07
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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.