Finding the Fourth Proportional to 283.51, 424.99 and 144.62
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Solution
The fourth proportional to 283.51, 424.99 and 144.62 is: 216.79
Step by Step Solution
- Step 1: Write the proportion equation
283.51 : 424.99 = 144.62 : x - Step 2: Convert to fraction form
283.51/424.99 = 144.62/x - Step 3: Cross multiply
283.51x = 424.99 × 144.62 - Step 4: Simplify right side
283.51x = 61,461.70 - Step 5: Solve for x
x = 61,461.70/283.51 - Step 6: Final answer
x = 216.79
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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.