Finding the Fourth Proportional to 254.38, 350.99 and 149.44
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Solution
The fourth proportional to 254.38, 350.99 and 149.44 is: 206.19
Step by Step Solution
- Step 1: Write the proportion equation
254.38 : 350.99 = 149.44 : x - Step 2: Convert to fraction form
254.38/350.99 = 149.44/x - Step 3: Cross multiply
254.38x = 350.99 × 149.44 - Step 4: Simplify right side
254.38x = 52,450.19 - Step 5: Solve for x
x = 52,450.19/254.38 - Step 6: Final answer
x = 206.19
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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.