Finding the Fourth Proportional to 294.91, 406.99 and 163.92
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Solution
The fourth proportional to 294.91, 406.99 and 163.92 is: 226.23
Step by Step Solution
- Step 1: Write the proportion equation
294.91 : 406.99 = 163.92 : x - Step 2: Convert to fraction form
294.91/406.99 = 163.92/x - Step 3: Cross multiply
294.91x = 406.99 × 163.92 - Step 4: Simplify right side
294.91x = 66,715.53 - Step 5: Solve for x
x = 66,715.53/294.91 - Step 6: Final answer
x = 226.23
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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.