Finding the Fourth Proportional to 249.44, 344 and 161.96
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Solution
The fourth proportional to 249.44, 344 and 161.96 is: 223.36
Step by Step Solution
- Step 1: Write the proportion equation
249.44 : 344 = 161.96 : x - Step 2: Convert to fraction form
249.44/344 = 161.96/x - Step 3: Cross multiply
249.44x = 344 × 161.96 - Step 4: Simplify right side
249.44x = 55,714.24 - Step 5: Solve for x
x = 55,714.24/249.44 - Step 6: Final answer
x = 223.36
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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.