Finding the Fourth Proportional to 254.91, 382.98 and 163.79
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Solution
The fourth proportional to 254.91, 382.98 and 163.79 is: 246.07
Step by Step Solution
- Step 1: Write the proportion equation
254.91 : 382.98 = 163.79 : x - Step 2: Convert to fraction form
254.91/382.98 = 163.79/x - Step 3: Cross multiply
254.91x = 382.98 × 163.79 - Step 4: Simplify right side
254.91x = 62,726.38 - Step 5: Solve for x
x = 62,726.38/254.91 - Step 6: Final answer
x = 246.07
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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.