Finding the Fourth Proportional to 175.26, 260.99 and 170.71
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Solution
The fourth proportional to 175.26, 260.99 and 170.71 is: 254.20
Step by Step Solution
- Step 1: Write the proportion equation
175.26 : 260.99 = 170.71 : x - Step 2: Convert to fraction form
175.26/260.99 = 170.71/x - Step 3: Cross multiply
175.26x = 260.99 × 170.71 - Step 4: Simplify right side
175.26x = 44,552.74 - Step 5: Solve for x
x = 44,552.74/175.26 - Step 6: Final answer
x = 254.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.