Finding the Fourth Proportional to 108.01, 149.19 and 97.65
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Solution
The fourth proportional to 108.01, 149.19 and 97.65 is: 134.88
Step by Step Solution
- Step 1: Write the proportion equation
108.01 : 149.19 = 97.65 : x - Step 2: Convert to fraction form
108.01/149.19 = 97.65/x - Step 3: Cross multiply
108.01x = 149.19 × 97.65 - Step 4: Simplify right side
108.01x = 14,568.40 - Step 5: Solve for x
x = 14,568.40/108.01 - Step 6: Final answer
x = 134.88
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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.