Finding the Fourth Proportional to 252.80, 349.06 and 197.44
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Solution
The fourth proportional to 252.80, 349.06 and 197.44 is: 272.62
Step by Step Solution
- Step 1: Write the proportion equation
252.80 : 349.06 = 197.44 : x - Step 2: Convert to fraction form
252.80/349.06 = 197.44/x - Step 3: Cross multiply
252.80x = 349.06 × 197.44 - Step 4: Simplify right side
252.80x = 68,918.88 - Step 5: Solve for x
x = 68,918.88/252.80 - Step 6: Final answer
x = 272.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.