Finding the Fourth Proportional to 97.97, 135.18 and 58.07
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Solution
The fourth proportional to 97.97, 135.18 and 58.07 is: 80.13
Step by Step Solution
- Step 1: Write the proportion equation
97.97 : 135.18 = 58.07 : x - Step 2: Convert to fraction form
97.97/135.18 = 58.07/x - Step 3: Cross multiply
97.97x = 135.18 × 58.07 - Step 4: Simplify right side
97.97x = 7,850.24 - Step 5: Solve for x
x = 7,850.24/97.97 - Step 6: Final answer
x = 80.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.