Finding the Fourth Proportional to 294.41, 406.26 and 163.42
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Solution
The fourth proportional to 294.41, 406.26 and 163.42 is: 225.50
Step by Step Solution
- Step 1: Write the proportion equation
294.41 : 406.26 = 163.42 : x - Step 2: Convert to fraction form
294.41/406.26 = 163.42/x - Step 3: Cross multiply
294.41x = 406.26 × 163.42 - Step 4: Simplify right side
294.41x = 66,389.99 - Step 5: Solve for x
x = 66,389.99/294.41 - Step 6: Final answer
x = 225.50
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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.