Finding the Fourth Proportional to 271.08, 406.72 and 88.48
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Solution
The fourth proportional to 271.08, 406.72 and 88.48 is: 132.75
Step by Step Solution
- Step 1: Write the proportion equation
271.08 : 406.72 = 88.48 : x - Step 2: Convert to fraction form
271.08/406.72 = 88.48/x - Step 3: Cross multiply
271.08x = 406.72 × 88.48 - Step 4: Simplify right side
271.08x = 35,984.55 - Step 5: Solve for x
x = 35,984.55/271.08 - Step 6: Final answer
x = 132.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.