Finding the Fourth Proportional to 141.18, 194.82 and 97.44
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Solution
The fourth proportional to 141.18, 194.82 and 97.44 is: 134.46
Step by Step Solution
- Step 1: Write the proportion equation
141.18 : 194.82 = 97.44 : x - Step 2: Convert to fraction form
141.18/194.82 = 97.44/x - Step 3: Cross multiply
141.18x = 194.82 × 97.44 - Step 4: Simplify right side
141.18x = 18,983.26 - Step 5: Solve for x
x = 18,983.26/141.18 - Step 6: Final answer
x = 134.46
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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.