Finding the Fourth Proportional to 110.76, 152.71 and 92.08
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Solution
The fourth proportional to 110.76, 152.71 and 92.08 is: 126.96
Step by Step Solution
- Step 1: Write the proportion equation
110.76 : 152.71 = 92.08 : x - Step 2: Convert to fraction form
110.76/152.71 = 92.08/x - Step 3: Cross multiply
110.76x = 152.71 × 92.08 - Step 4: Simplify right side
110.76x = 14,061.54 - Step 5: Solve for x
x = 14,061.54/110.76 - Step 6: Final answer
x = 126.96
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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.