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Finding the Fourth Proportional to 301.11, 451.25 and 239.95

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Solution

The fourth proportional to 301.11, 451.25 and 239.95 is: 359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.11 : 451.25 = 239.95 : x
  2. Step 2: Convert to fraction form
    301.11/451.25 = 239.95/x
  3. Step 3: Cross multiply
    301.11x = 451.25 × 239.95
  4. Step 4: Simplify right side
    301.11x = 108,277.44
  5. Step 5: Solve for x
    x = 108,277.44/301.11
  6. Step 6: Final answer
    x = 359.59

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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.