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Finding the Fourth Proportional to 273.64, 411.42 and 252.52

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Solution

The fourth proportional to 273.64, 411.42 and 252.52 is: 379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.64 : 411.42 = 252.52 : x
  2. Step 2: Convert to fraction form
    273.64/411.42 = 252.52/x
  3. Step 3: Cross multiply
    273.64x = 411.42 × 252.52
  4. Step 4: Simplify right side
    273.64x = 103,891.78
  5. Step 5: Solve for x
    x = 103,891.78/273.64
  6. Step 6: Final answer
    x = 379.67

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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.