Finding the Fourth Proportional to 273.81, 410.72 and 267.74
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Solution
The fourth proportional to 273.81, 410.72 and 267.74 is: 401.60
Step by Step Solution
- Step 1: Write the proportion equation
273.81 : 410.72 = 267.74 : x - Step 2: Convert to fraction form
273.81/410.72 = 267.74/x - Step 3: Cross multiply
273.81x = 410.72 × 267.74 - Step 4: Simplify right side
273.81x = 109,962.78 - Step 5: Solve for x
x = 109,962.78/273.81 - Step 6: Final answer
x = 401.60
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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.