Finding the Fourth Proportional to 194.14, 267.92 and 106.82
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Solution
The fourth proportional to 194.14, 267.92 and 106.82 is: 147.41
Step by Step Solution
- Step 1: Write the proportion equation
194.14 : 267.92 = 106.82 : x - Step 2: Convert to fraction form
194.14/267.92 = 106.82/x - Step 3: Cross multiply
194.14x = 267.92 × 106.82 - Step 4: Simplify right side
194.14x = 28,617.34 - Step 5: Solve for x
x = 28,617.34/194.14 - Step 6: Final answer
x = 147.41
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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.