Finding the Fourth Proportional to 97.14, 134.08 and 58.36
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Solution
The fourth proportional to 97.14, 134.08 and 58.36 is: 80.55
Step by Step Solution
- Step 1: Write the proportion equation
97.14 : 134.08 = 58.36 : x - Step 2: Convert to fraction form
97.14/134.08 = 58.36/x - Step 3: Cross multiply
97.14x = 134.08 × 58.36 - Step 4: Simplify right side
97.14x = 7,824.91 - Step 5: Solve for x
x = 7,824.91/97.14 - Step 6: Final answer
x = 80.55
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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.