Finding the Fourth Proportional to 293.22, 439.97 and 110.70
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Solution
The fourth proportional to 293.22, 439.97 and 110.70 is: 166.10
Step by Step Solution
- Step 1: Write the proportion equation
293.22 : 439.97 = 110.70 : x - Step 2: Convert to fraction form
293.22/439.97 = 110.70/x - Step 3: Cross multiply
293.22x = 439.97 × 110.70 - Step 4: Simplify right side
293.22x = 48,704.13 - Step 5: Solve for x
x = 48,704.13/293.22 - Step 6: Final answer
x = 166.10
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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.