Finding the Fourth Proportional to 207.46, 310.82 and 126.26
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Solution
The fourth proportional to 207.46, 310.82 and 126.26 is: 189.16
Step by Step Solution
- Step 1: Write the proportion equation
207.46 : 310.82 = 126.26 : x - Step 2: Convert to fraction form
207.46/310.82 = 126.26/x - Step 3: Cross multiply
207.46x = 310.82 × 126.26 - Step 4: Simplify right side
207.46x = 39,244.13 - Step 5: Solve for x
x = 39,244.13/207.46 - Step 6: Final answer
x = 189.16
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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.