Finding the Fourth Proportional to 283.26, 424.93 and 88.28
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Solution
The fourth proportional to 283.26, 424.93 and 88.28 is: 132.43
Step by Step Solution
- Step 1: Write the proportion equation
283.26 : 424.93 = 88.28 : x - Step 2: Convert to fraction form
283.26/424.93 = 88.28/x - Step 3: Cross multiply
283.26x = 424.93 × 88.28 - Step 4: Simplify right side
283.26x = 37,512.23 - Step 5: Solve for x
x = 37,512.23/283.26 - Step 6: Final answer
x = 132.43
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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.