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Finding the Fourth Proportional to 484.18, 725.96 and 301.52

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Solution

The fourth proportional to 484.18, 725.96 and 301.52 is: 452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.18 : 725.96 = 301.52 : x
  2. Step 2: Convert to fraction form
    484.18/725.96 = 301.52/x
  3. Step 3: Cross multiply
    484.18x = 725.96 × 301.52
  4. Step 4: Simplify right side
    484.18x = 218,894.03
  5. Step 5: Solve for x
    x = 218,894.03/484.18
  6. Step 6: Final answer
    x = 452.09

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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.