Finding the Fourth Proportional to 249.20, 372.99 and 245.96
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Solution
The fourth proportional to 249.20, 372.99 and 245.96 is: 368.14
Step by Step Solution
- Step 1: Write the proportion equation
249.20 : 372.99 = 245.96 : x - Step 2: Convert to fraction form
249.20/372.99 = 245.96/x - Step 3: Cross multiply
249.20x = 372.99 × 245.96 - Step 4: Simplify right side
249.20x = 91,740.62 - Step 5: Solve for x
x = 91,740.62/249.20 - Step 6: Final answer
x = 368.14
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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.