Finding the Fourth Proportional to 344.14, 515.80 and 170.75
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Solution
The fourth proportional to 344.14, 515.80 and 170.75 is: 255.93
Step by Step Solution
- Step 1: Write the proportion equation
344.14 : 515.80 = 170.75 : x - Step 2: Convert to fraction form
344.14/515.80 = 170.75/x - Step 3: Cross multiply
344.14x = 515.80 × 170.75 - Step 4: Simplify right side
344.14x = 88,074.35 - Step 5: Solve for x
x = 88,074.35/344.14 - Step 6: Final answer
x = 255.93
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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.