Finding the Fourth Proportional to 252.28, 347.97 and 177.75
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Solution
The fourth proportional to 252.28, 347.97 and 177.75 is: 245.17
Step by Step Solution
- Step 1: Write the proportion equation
252.28 : 347.97 = 177.75 : x - Step 2: Convert to fraction form
252.28/347.97 = 177.75/x - Step 3: Cross multiply
252.28x = 347.97 × 177.75 - Step 4: Simplify right side
252.28x = 61,850.35 - Step 5: Solve for x
x = 61,850.35/252.28 - Step 6: Final answer
x = 245.17
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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.