Finding the Fourth Proportional to 344.09, 516.19 and 112.99
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Solution
The fourth proportional to 344.09, 516.19 and 112.99 is: 169.50
Step by Step Solution
- Step 1: Write the proportion equation
344.09 : 516.19 = 112.99 : x - Step 2: Convert to fraction form
344.09/516.19 = 112.99/x - Step 3: Cross multiply
344.09x = 516.19 × 112.99 - Step 4: Simplify right side
344.09x = 58,324.31 - Step 5: Solve for x
x = 58,324.31/344.09 - Step 6: Final answer
x = 169.50
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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.