Finding the Fourth Proportional to 207.73, 311.42 and 110.19
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Solution
The fourth proportional to 207.73, 311.42 and 110.19 is: 165.20
Step by Step Solution
- Step 1: Write the proportion equation
207.73 : 311.42 = 110.19 : x - Step 2: Convert to fraction form
207.73/311.42 = 110.19/x - Step 3: Cross multiply
207.73x = 311.42 × 110.19 - Step 4: Simplify right side
207.73x = 34,315.65 - Step 5: Solve for x
x = 34,315.65/207.73 - Step 6: Final answer
x = 165.20
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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.