Finding the Fourth Proportional to 296.28, 408.68 and 213.26
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Solution
The fourth proportional to 296.28, 408.68 and 213.26 is: 294.15
Step by Step Solution
- Step 1: Write the proportion equation
296.28 : 408.68 = 213.26 : x - Step 2: Convert to fraction form
296.28/408.68 = 213.26/x - Step 3: Cross multiply
296.28x = 408.68 × 213.26 - Step 4: Simplify right side
296.28x = 87,151.99 - Step 5: Solve for x
x = 87,151.99/296.28 - Step 6: Final answer
x = 294.15
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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.