Finding the Fourth Proportional to 248.80, 372.99 and 126.97
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Solution
The fourth proportional to 248.80, 372.99 and 126.97 is: 190.35
Step by Step Solution
- Step 1: Write the proportion equation
248.80 : 372.99 = 126.97 : x - Step 2: Convert to fraction form
248.80/372.99 = 126.97/x - Step 3: Cross multiply
248.80x = 372.99 × 126.97 - Step 4: Simplify right side
248.80x = 47,358.54 - Step 5: Solve for x
x = 47,358.54/248.80 - Step 6: Final answer
x = 190.35
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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.