Finding the Fourth Proportional to 17.11, 25.67 and 8.08
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Solution
The fourth proportional to 17.11, 25.67 and 8.08 is: 12.12
Step by Step Solution
- Step 1: Write the proportion equation
17.11 : 25.67 = 8.08 : x - Step 2: Convert to fraction form
17.11/25.67 = 8.08/x - Step 3: Cross multiply
17.11x = 25.67 × 8.08 - Step 4: Simplify right side
17.11x = 207.41 - Step 5: Solve for x
x = 207.41/17.11 - Step 6: Final answer
x = 12.12
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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.