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Finding the Fourth Proportional to 323.04, 484.26 and 106.57

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Solution

The fourth proportional to 323.04, 484.26 and 106.57 is: 159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.04 : 484.26 = 106.57 : x
  2. Step 2: Convert to fraction form
    323.04/484.26 = 106.57/x
  3. Step 3: Cross multiply
    323.04x = 484.26 × 106.57
  4. Step 4: Simplify right side
    323.04x = 51,607.59
  5. Step 5: Solve for x
    x = 51,607.59/323.04
  6. Step 6: Final answer
    x = 159.76

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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.