Finding the Fourth Proportional to 110.92, 166.14 and 55.99
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Solution
The fourth proportional to 110.92, 166.14 and 55.99 is: 83.86
Step by Step Solution
- Step 1: Write the proportion equation
110.92 : 166.14 = 55.99 : x - Step 2: Convert to fraction form
110.92/166.14 = 55.99/x - Step 3: Cross multiply
110.92x = 166.14 × 55.99 - Step 4: Simplify right side
110.92x = 9,302.18 - Step 5: Solve for x
x = 9,302.18/110.92 - Step 6: Final answer
x = 83.86
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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.