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Finding the Fourth Proportional to 439.50, 606.51 and 262.52

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Solution

The fourth proportional to 439.50, 606.51 and 262.52 is: 362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.50 : 606.51 = 262.52 : x
  2. Step 2: Convert to fraction form
    439.50/606.51 = 262.52/x
  3. Step 3: Cross multiply
    439.50x = 606.51 × 262.52
  4. Step 4: Simplify right side
    439.50x = 159,217.97
  5. Step 5: Solve for x
    x = 159,217.97/439.50
  6. Step 6: Final answer
    x = 362.27

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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.