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Finding the Fourth Proportional to 239.41, 330.24 and 190.27

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Solution

The fourth proportional to 239.41, 330.24 and 190.27 is: 262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.41 : 330.24 = 190.27 : x
  2. Step 2: Convert to fraction form
    239.41/330.24 = 190.27/x
  3. Step 3: Cross multiply
    239.41x = 330.24 × 190.27
  4. Step 4: Simplify right side
    239.41x = 62,834.76
  5. Step 5: Solve for x
    x = 62,834.76/239.41
  6. Step 6: Final answer
    x = 262.46

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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.