Finding the Fourth Proportional to 84.92, 117.05 and 58.73
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Solution
The fourth proportional to 84.92, 117.05 and 58.73 is: 80.95
Step by Step Solution
- Step 1: Write the proportion equation
84.92 : 117.05 = 58.73 : x - Step 2: Convert to fraction form
84.92/117.05 = 58.73/x - Step 3: Cross multiply
84.92x = 117.05 × 58.73 - Step 4: Simplify right side
84.92x = 6,873.47 - Step 5: Solve for x
x = 6,873.47/84.92 - Step 6: Final answer
x = 80.95
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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.