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Finding the Fourth Proportional to 244.72, 366.54 and 239.80

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Solution

The fourth proportional to 244.72, 366.54 and 239.80 is: 359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.72 : 366.54 = 239.80 : x
  2. Step 2: Convert to fraction form
    244.72/366.54 = 239.80/x
  3. Step 3: Cross multiply
    244.72x = 366.54 × 239.80
  4. Step 4: Simplify right side
    244.72x = 87,896.29
  5. Step 5: Solve for x
    x = 87,896.29/244.72
  6. Step 6: Final answer
    x = 359.17

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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.