Finding the Fourth Proportional to 11.24, 16.77 and 10.05
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Solution
The fourth proportional to 11.24, 16.77 and 10.05 is: 15.00
Step by Step Solution
- Step 1: Write the proportion equation
11.24 : 16.77 = 10.05 : x - Step 2: Convert to fraction form
11.24/16.77 = 10.05/x - Step 3: Cross multiply
11.24x = 16.77 × 10.05 - Step 4: Simplify right side
11.24x = 168.54 - Step 5: Solve for x
x = 168.54/11.24 - Step 6: Final answer
x = 15.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.