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Finding the Fourth Proportional to 323.13, 484.69 and 95.13

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Solution

The fourth proportional to 323.13, 484.69 and 95.13 is: 142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.13 : 484.69 = 95.13 : x
  2. Step 2: Convert to fraction form
    323.13/484.69 = 95.13/x
  3. Step 3: Cross multiply
    323.13x = 484.69 × 95.13
  4. Step 4: Simplify right side
    323.13x = 46,108.56
  5. Step 5: Solve for x
    x = 46,108.56/323.13
  6. Step 6: Final answer
    x = 142.69

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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.