Finding the Fourth Proportional to 283.23, 424.77 and 129.08
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Solution
The fourth proportional to 283.23, 424.77 and 129.08 is: 193.58
Step by Step Solution
- Step 1: Write the proportion equation
283.23 : 424.77 = 129.08 : x - Step 2: Convert to fraction form
283.23/424.77 = 129.08/x - Step 3: Cross multiply
283.23x = 424.77 × 129.08 - Step 4: Simplify right side
283.23x = 54,827.19 - Step 5: Solve for x
x = 54,827.19/283.23 - Step 6: Final answer
x = 193.58
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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.