Finding the Fourth Proportional to 110.19, 151.96 and 97.75
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Solution
The fourth proportional to 110.19, 151.96 and 97.75 is: 134.80
Step by Step Solution
- Step 1: Write the proportion equation
110.19 : 151.96 = 97.75 : x - Step 2: Convert to fraction form
110.19/151.96 = 97.75/x - Step 3: Cross multiply
110.19x = 151.96 × 97.75 - Step 4: Simplify right side
110.19x = 14,853.47 - Step 5: Solve for x
x = 14,853.47/110.19 - Step 6: Final answer
x = 134.80
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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.