Finding the Fourth Proportional to 252.93, 349.14 and 197.45
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Solution
The fourth proportional to 252.93, 349.14 and 197.45 is: 272.56
Step by Step Solution
- Step 1: Write the proportion equation
252.93 : 349.14 = 197.45 : x - Step 2: Convert to fraction form
252.93/349.14 = 197.45/x - Step 3: Cross multiply
252.93x = 349.14 × 197.45 - Step 4: Simplify right side
252.93x = 68,937.69 - Step 5: Solve for x
x = 68,937.69/252.93 - Step 6: Final answer
x = 272.56
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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.