Finding the Fourth Proportional to 273.44, 409.24 and 170.80
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Solution
The fourth proportional to 273.44, 409.24 and 170.80 is: 255.63
Step by Step Solution
- Step 1: Write the proportion equation
273.44 : 409.24 = 170.80 : x - Step 2: Convert to fraction form
273.44/409.24 = 170.80/x - Step 3: Cross multiply
273.44x = 409.24 × 170.80 - Step 4: Simplify right side
273.44x = 69,898.19 - Step 5: Solve for x
x = 69,898.19/273.44 - Step 6: Final answer
x = 255.63
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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.