Finding the Fourth Proportional to 252.88, 349.11 and 197.50
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Solution
The fourth proportional to 252.88, 349.11 and 197.50 is: 272.66
Step by Step Solution
- Step 1: Write the proportion equation
252.88 : 349.11 = 197.50 : x - Step 2: Convert to fraction form
252.88/349.11 = 197.50/x - Step 3: Cross multiply
252.88x = 349.11 × 197.50 - Step 4: Simplify right side
252.88x = 68,949.23 - Step 5: Solve for x
x = 68,949.23/252.88 - Step 6: Final answer
x = 272.66
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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.