Finding the Fourth Proportional to 17, 23.48 and 11.24
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Solution
The fourth proportional to 17, 23.48 and 11.24 is: 15.52
Step by Step Solution
- Step 1: Write the proportion equation
17 : 23.48 = 11.24 : x - Step 2: Convert to fraction form
17/23.48 = 11.24/x - Step 3: Cross multiply
17x = 23.48 × 11.24 - Step 4: Simplify right side
17x = 263.92 - Step 5: Solve for x
x = 263.92/17 - Step 6: Final answer
x = 15.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.