Finding the Fourth Proportional to 254.11, 351.26 and 195.79
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Solution
The fourth proportional to 254.11, 351.26 and 195.79 is: 270.64
Step by Step Solution
- Step 1: Write the proportion equation
254.11 : 351.26 = 195.79 : x - Step 2: Convert to fraction form
254.11/351.26 = 195.79/x - Step 3: Cross multiply
254.11x = 351.26 × 195.79 - Step 4: Simplify right side
254.11x = 68,773.20 - Step 5: Solve for x
x = 68,773.20/254.11 - Step 6: Final answer
x = 270.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.