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Finding the Fourth Proportional to 239.94, 360.09 and 227.28

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Solution

The fourth proportional to 239.94, 360.09 and 227.28 is: 341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.94 : 360.09 = 227.28 : x
  2. Step 2: Convert to fraction form
    239.94/360.09 = 227.28/x
  3. Step 3: Cross multiply
    239.94x = 360.09 × 227.28
  4. Step 4: Simplify right side
    239.94x = 81,841.26
  5. Step 5: Solve for x
    x = 81,841.26/239.94
  6. Step 6: Final answer
    x = 341.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.