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Finding the Fourth Proportional to 301.12, 451.20 and 244.48

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Solution

The fourth proportional to 301.12, 451.20 and 244.48 is: 366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.12 : 451.20 = 244.48 : x
  2. Step 2: Convert to fraction form
    301.12/451.20 = 244.48/x
  3. Step 3: Cross multiply
    301.12x = 451.20 × 244.48
  4. Step 4: Simplify right side
    301.12x = 110,309.38
  5. Step 5: Solve for x
    x = 110,309.38/301.12
  6. Step 6: Final answer
    x = 366.33

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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.