Finding the Fourth Proportional to 252.98, 379.44 and 108.68
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Solution
The fourth proportional to 252.98, 379.44 and 108.68 is: 163.01
Step by Step Solution
- Step 1: Write the proportion equation
252.98 : 379.44 = 108.68 : x - Step 2: Convert to fraction form
252.98/379.44 = 108.68/x - Step 3: Cross multiply
252.98x = 379.44 × 108.68 - Step 4: Simplify right side
252.98x = 41,237.54 - Step 5: Solve for x
x = 41,237.54/252.98 - Step 6: Final answer
x = 163.01
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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.