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Finding the Fourth Proportional to 250.36, 344.46 and 219.16

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Solution

The fourth proportional to 250.36, 344.46 and 219.16 is: 301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.36 : 344.46 = 219.16 : x
  2. Step 2: Convert to fraction form
    250.36/344.46 = 219.16/x
  3. Step 3: Cross multiply
    250.36x = 344.46 × 219.16
  4. Step 4: Simplify right side
    250.36x = 75,491.85
  5. Step 5: Solve for x
    x = 75,491.85/250.36
  6. Step 6: Final answer
    x = 301.53

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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.