Finding the Fourth Proportional to 170.24, 255.17 and 88.99
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Solution
The fourth proportional to 170.24, 255.17 and 88.99 is: 133.39
Step by Step Solution
- Step 1: Write the proportion equation
170.24 : 255.17 = 88.99 : x - Step 2: Convert to fraction form
170.24/255.17 = 88.99/x - Step 3: Cross multiply
170.24x = 255.17 × 88.99 - Step 4: Simplify right side
170.24x = 22,707.16 - Step 5: Solve for x
x = 22,707.16/170.24 - Step 6: Final answer
x = 133.39
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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.