Finding the Fourth Proportional to 249.75, 372.94 and 203.99
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Solution
The fourth proportional to 249.75, 372.94 and 203.99 is: 304.60
Step by Step Solution
- Step 1: Write the proportion equation
249.75 : 372.94 = 203.99 : x - Step 2: Convert to fraction form
249.75/372.94 = 203.99/x - Step 3: Cross multiply
249.75x = 372.94 × 203.99 - Step 4: Simplify right side
249.75x = 76,073.66 - Step 5: Solve for x
x = 76,073.66/249.75 - Step 6: Final answer
x = 304.60
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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.