Finding the Fourth Proportional to 194.67, 292.08 and 91.97
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Solution
The fourth proportional to 194.67, 292.08 and 91.97 is: 137.99
Step by Step Solution
- Step 1: Write the proportion equation
194.67 : 292.08 = 91.97 : x - Step 2: Convert to fraction form
194.67/292.08 = 91.97/x - Step 3: Cross multiply
194.67x = 292.08 × 91.97 - Step 4: Simplify right side
194.67x = 26,863.55 - Step 5: Solve for x
x = 26,863.55/194.67 - Step 6: Final answer
x = 137.99
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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.