Finding the Fourth Proportional to 344.26, 515.76 and 252.82
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Solution
The fourth proportional to 344.26, 515.76 and 252.82 is: 378.77
Step by Step Solution
- Step 1: Write the proportion equation
344.26 : 515.76 = 252.82 : x - Step 2: Convert to fraction form
344.26/515.76 = 252.82/x - Step 3: Cross multiply
344.26x = 515.76 × 252.82 - Step 4: Simplify right side
344.26x = 130,394.44 - Step 5: Solve for x
x = 130,394.44/344.26 - Step 6: Final answer
x = 378.77
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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.