Finding the Fourth Proportional to 293.14, 439.80 and 163.09
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Solution
The fourth proportional to 293.14, 439.80 and 163.09 is: 244.69
Step by Step Solution
- Step 1: Write the proportion equation
293.14 : 439.80 = 163.09 : x - Step 2: Convert to fraction form
293.14/439.80 = 163.09/x - Step 3: Cross multiply
293.14x = 439.80 × 163.09 - Step 4: Simplify right side
293.14x = 71,726.98 - Step 5: Solve for x
x = 71,726.98/293.14 - Step 6: Final answer
x = 244.69
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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.