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Finding the Fourth Proportional to 249.33, 372.56 and 190.44

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Solution

The fourth proportional to 249.33, 372.56 and 190.44 is: 284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.33 : 372.56 = 190.44 : x
  2. Step 2: Convert to fraction form
    249.33/372.56 = 190.44/x
  3. Step 3: Cross multiply
    249.33x = 372.56 × 190.44
  4. Step 4: Simplify right side
    249.33x = 70,950.33
  5. Step 5: Solve for x
    x = 70,950.33/249.33
  6. Step 6: Final answer
    x = 284.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.