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Finding the Fourth Proportional to 362.62, 544.61 and 239.33

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Solution

The fourth proportional to 362.62, 544.61 and 239.33 is: 359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.62 : 544.61 = 239.33 : x
  2. Step 2: Convert to fraction form
    362.62/544.61 = 239.33/x
  3. Step 3: Cross multiply
    362.62x = 544.61 × 239.33
  4. Step 4: Simplify right side
    362.62x = 130,341.68
  5. Step 5: Solve for x
    x = 130,341.68/362.62
  6. Step 6: Final answer
    x = 359.45

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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.