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Finding the Fourth Proportional to 484.39, 727.10 and 301.91

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Solution

The fourth proportional to 484.39, 727.10 and 301.91 is: 453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.39 : 727.10 = 301.91 : x
  2. Step 2: Convert to fraction form
    484.39/727.10 = 301.91/x
  3. Step 3: Cross multiply
    484.39x = 727.10 × 301.91
  4. Step 4: Simplify right side
    484.39x = 219,519.07
  5. Step 5: Solve for x
    x = 219,519.07/484.39
  6. Step 6: Final answer
    x = 453.19

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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.