Finding the Fourth Proportional to 481.67, 722.50 and 116.46
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Solution
The fourth proportional to 481.67, 722.50 and 116.46 is: 174.69
Step by Step Solution
- Step 1: Write the proportion equation
481.67 : 722.50 = 116.46 : x - Step 2: Convert to fraction form
481.67/722.50 = 116.46/x - Step 3: Cross multiply
481.67x = 722.50 × 116.46 - Step 4: Simplify right side
481.67x = 84,142.06 - Step 5: Solve for x
x = 84,142.06/481.67 - Step 6: Final answer
x = 174.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.