Finding the Fourth Proportional to 283.53, 391.44 and 224.75
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Solution
The fourth proportional to 283.53, 391.44 and 224.75 is: 310.29
Step by Step Solution
- Step 1: Write the proportion equation
283.53 : 391.44 = 224.75 : x - Step 2: Convert to fraction form
283.53/391.44 = 224.75/x - Step 3: Cross multiply
283.53x = 391.44 × 224.75 - Step 4: Simplify right side
283.53x = 87,976.14 - Step 5: Solve for x
x = 87,976.14/283.53 - Step 6: Final answer
x = 310.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.