Finding the Fourth Proportional to 283.70, 424.91 and 137.23
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Solution
The fourth proportional to 283.70, 424.91 and 137.23 is: 205.53
Step by Step Solution
- Step 1: Write the proportion equation
283.70 : 424.91 = 137.23 : x - Step 2: Convert to fraction form
283.70/424.91 = 137.23/x - Step 3: Cross multiply
283.70x = 424.91 × 137.23 - Step 4: Simplify right side
283.70x = 58,309.68 - Step 5: Solve for x
x = 58,309.68/283.70 - Step 6: Final answer
x = 205.53
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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.