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Finding the Fourth Proportional to 273.84, 378.72 and 244.68

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Solution

The fourth proportional to 273.84, 378.72 and 244.68 is: 338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.84 : 378.72 = 244.68 : x
  2. Step 2: Convert to fraction form
    273.84/378.72 = 244.68/x
  3. Step 3: Cross multiply
    273.84x = 378.72 × 244.68
  4. Step 4: Simplify right side
    273.84x = 92,665.21
  5. Step 5: Solve for x
    x = 92,665.21/273.84
  6. Step 6: Final answer
    x = 338.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.