Finding the Fourth Proportional to 11.08, 15.52 and 11.08
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Solution
The fourth proportional to 11.08, 15.52 and 11.08 is: 15.52
Step by Step Solution
- Step 1: Write the proportion equation
11.08 : 15.52 = 11.08 : x - Step 2: Convert to fraction form
11.08/15.52 = 11.08/x - Step 3: Cross multiply
11.08x = 15.52 × 11.08 - Step 4: Simplify right side
11.08x = 171.96 - Step 5: Solve for x
x = 171.96/11.08 - Step 6: Final answer
x = 15.52
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.