Finding the Fourth Proportional to 273.43, 409.63 and 170.65
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Solution
The fourth proportional to 273.43, 409.63 and 170.65 is: 255.65
Step by Step Solution
- Step 1: Write the proportion equation
273.43 : 409.63 = 170.65 : x - Step 2: Convert to fraction form
273.43/409.63 = 170.65/x - Step 3: Cross multiply
273.43x = 409.63 × 170.65 - Step 4: Simplify right side
273.43x = 69,903.36 - Step 5: Solve for x
x = 69,903.36/273.43 - Step 6: Final answer
x = 255.65
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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.