Finding the Fourth Proportional to 207.28, 310.80 and 110.92
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Solution
The fourth proportional to 207.28, 310.80 and 110.92 is: 166.32
Step by Step Solution
- Step 1: Write the proportion equation
207.28 : 310.80 = 110.92 : x - Step 2: Convert to fraction form
207.28/310.80 = 110.92/x - Step 3: Cross multiply
207.28x = 310.80 × 110.92 - Step 4: Simplify right side
207.28x = 34,473.94 - Step 5: Solve for x
x = 34,473.94/207.28 - Step 6: Final answer
x = 166.32
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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.