Finding the Fourth Proportional to 283.93, 425.93 and 129.91
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Solution
The fourth proportional to 283.93, 425.93 and 129.91 is: 194.88
Step by Step Solution
- Step 1: Write the proportion equation
283.93 : 425.93 = 129.91 : x - Step 2: Convert to fraction form
283.93/425.93 = 129.91/x - Step 3: Cross multiply
283.93x = 425.93 × 129.91 - Step 4: Simplify right side
283.93x = 55,330.76 - Step 5: Solve for x
x = 55,330.76/283.93 - Step 6: Final answer
x = 194.88
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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.