Finding the Fourth Proportional to 170.13, 254.99 and 97.07
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Solution
The fourth proportional to 170.13, 254.99 and 97.07 is: 145.48
Step by Step Solution
- Step 1: Write the proportion equation
170.13 : 254.99 = 97.07 : x - Step 2: Convert to fraction form
170.13/254.99 = 97.07/x - Step 3: Cross multiply
170.13x = 254.99 × 97.07 - Step 4: Simplify right side
170.13x = 24,750.70 - Step 5: Solve for x
x = 24,750.70/170.13 - Step 6: Final answer
x = 145.48
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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.