Finding the Fourth Proportional to 249.25, 372.75 and 221.99
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Solution
The fourth proportional to 249.25, 372.75 and 221.99 is: 331.98
Step by Step Solution
- Step 1: Write the proportion equation
249.25 : 372.75 = 221.99 : x - Step 2: Convert to fraction form
249.25/372.75 = 221.99/x - Step 3: Cross multiply
249.25x = 372.75 × 221.99 - Step 4: Simplify right side
249.25x = 82,744.91 - Step 5: Solve for x
x = 82,744.91/249.25 - Step 6: Final answer
x = 331.98
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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.