Finding the Fourth Proportional to 254.26, 382.00 and 163.13
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Solution
The fourth proportional to 254.26, 382.00 and 163.13 is: 245.09
Step by Step Solution
- Step 1: Write the proportion equation
254.26 : 382.00 = 163.13 : x - Step 2: Convert to fraction form
254.26/382.00 = 163.13/x - Step 3: Cross multiply
254.26x = 382.00 × 163.13 - Step 4: Simplify right side
254.26x = 62,316.21 - Step 5: Solve for x
x = 62,316.21/254.26 - Step 6: Final answer
x = 245.09
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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.