Finding the Fourth Proportional to 252.62, 348.62 and 142.08
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Solution
The fourth proportional to 252.62, 348.62 and 142.08 is: 196.07
Step by Step Solution
- Step 1: Write the proportion equation
252.62 : 348.62 = 142.08 : x - Step 2: Convert to fraction form
252.62/348.62 = 142.08/x - Step 3: Cross multiply
252.62x = 348.62 × 142.08 - Step 4: Simplify right side
252.62x = 49,531.93 - Step 5: Solve for x
x = 49,531.93/252.62 - Step 6: Final answer
x = 196.07
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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.