Finding the Fourth Proportional to 11.23, 16.83 and 4
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Solution
The fourth proportional to 11.23, 16.83 and 4 is: 5.99
Step by Step Solution
- Step 1: Write the proportion equation
11.23 : 16.83 = 4 : x - Step 2: Convert to fraction form
11.23/16.83 = 4/x - Step 3: Cross multiply
11.23x = 16.83 × 4 - Step 4: Simplify right side
11.23x = 67.32 - Step 5: Solve for x
x = 67.32/11.23 - Step 6: Final answer
x = 5.99
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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.