Finding the Fourth Proportional to 248.73, 373.11 and 126.96
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Solution
The fourth proportional to 248.73, 373.11 and 126.96 is: 190.45
Step by Step Solution
- Step 1: Write the proportion equation
248.73 : 373.11 = 126.96 : x - Step 2: Convert to fraction form
248.73/373.11 = 126.96/x - Step 3: Cross multiply
248.73x = 373.11 × 126.96 - Step 4: Simplify right side
248.73x = 47,370.05 - Step 5: Solve for x
x = 47,370.05/248.73 - Step 6: Final answer
x = 190.45
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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.