Finding the Fourth Proportional to 283.62, 424.62 and 161.52
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Solution
The fourth proportional to 283.62, 424.62 and 161.52 is: 241.82
Step by Step Solution
- Step 1: Write the proportion equation
283.62 : 424.62 = 161.52 : x - Step 2: Convert to fraction form
283.62/424.62 = 161.52/x - Step 3: Cross multiply
283.62x = 424.62 × 161.52 - Step 4: Simplify right side
283.62x = 68,584.62 - Step 5: Solve for x
x = 68,584.62/283.62 - Step 6: Final answer
x = 241.82
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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.