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Finding the Fourth Proportional to 250.79, 374.28 and 244.31

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Solution

The fourth proportional to 250.79, 374.28 and 244.31 is: 364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.79 : 374.28 = 244.31 : x
  2. Step 2: Convert to fraction form
    250.79/374.28 = 244.31/x
  3. Step 3: Cross multiply
    250.79x = 374.28 × 244.31
  4. Step 4: Simplify right side
    250.79x = 91,437.56
  5. Step 5: Solve for x
    x = 91,437.56/250.79
  6. Step 6: Final answer
    x = 364.61

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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.