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Finding the Fourth Proportional to 444.23, 667.55 and 238.95

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Solution

The fourth proportional to 444.23, 667.55 and 238.95 is: 359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.23 : 667.55 = 238.95 : x
  2. Step 2: Convert to fraction form
    444.23/667.55 = 238.95/x
  3. Step 3: Cross multiply
    444.23x = 667.55 × 238.95
  4. Step 4: Simplify right side
    444.23x = 159,508.27
  5. Step 5: Solve for x
    x = 159,508.27/444.23
  6. Step 6: Final answer
    x = 359.07

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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.