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Finding the Fourth Proportional to 484.37, 726.86 and 302.12

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Solution

The fourth proportional to 484.37, 726.86 and 302.12 is: 453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.37 : 726.86 = 302.12 : x
  2. Step 2: Convert to fraction form
    484.37/726.86 = 302.12/x
  3. Step 3: Cross multiply
    484.37x = 726.86 × 302.12
  4. Step 4: Simplify right side
    484.37x = 219,593.80
  5. Step 5: Solve for x
    x = 219,593.80/484.37
  6. Step 6: Final answer
    x = 453.36

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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.