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Finding the Fourth Proportional to 273.99, 377.24 and 255.36

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Solution

The fourth proportional to 273.99, 377.24 and 255.36 is: 351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.99 : 377.24 = 255.36 : x
  2. Step 2: Convert to fraction form
    273.99/377.24 = 255.36/x
  3. Step 3: Cross multiply
    273.99x = 377.24 × 255.36
  4. Step 4: Simplify right side
    273.99x = 96,333.58
  5. Step 5: Solve for x
    x = 96,333.58/273.99
  6. Step 6: Final answer
    x = 351.59

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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.