Finding the Fourth Proportional to 254.80, 382 and 163.44
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Solution
The fourth proportional to 254.80, 382 and 163.44 is: 245.03
Step by Step Solution
- Step 1: Write the proportion equation
254.80 : 382 = 163.44 : x - Step 2: Convert to fraction form
254.80/382 = 163.44/x - Step 3: Cross multiply
254.80x = 382 × 163.44 - Step 4: Simplify right side
254.80x = 62,434.08 - Step 5: Solve for x
x = 62,434.08/254.80 - Step 6: Final answer
x = 245.03
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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.