Finding the Fourth Proportional to 283.68, 425.28 and 175.68
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Solution
The fourth proportional to 283.68, 425.28 and 175.68 is: 263.37
Step by Step Solution
- Step 1: Write the proportion equation
283.68 : 425.28 = 175.68 : x - Step 2: Convert to fraction form
283.68/425.28 = 175.68/x - Step 3: Cross multiply
283.68x = 425.28 × 175.68 - Step 4: Simplify right side
283.68x = 74,713.19 - Step 5: Solve for x
x = 74,713.19/283.68 - Step 6: Final answer
x = 263.37
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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.