Finding the Fourth Proportional to 182.97, 252.99 and 159.90
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Solution
The fourth proportional to 182.97, 252.99 and 159.90 is: 221.09
Step by Step Solution
- Step 1: Write the proportion equation
182.97 : 252.99 = 159.90 : x - Step 2: Convert to fraction form
182.97/252.99 = 159.90/x - Step 3: Cross multiply
182.97x = 252.99 × 159.90 - Step 4: Simplify right side
182.97x = 40,453.10 - Step 5: Solve for x
x = 40,453.10/182.97 - Step 6: Final answer
x = 221.09
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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.