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Finding the Fourth Proportional to 506.93, 759.02 and 323.78

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Solution

The fourth proportional to 506.93, 759.02 and 323.78 is: 484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.93 : 759.02 = 323.78 : x
  2. Step 2: Convert to fraction form
    506.93/759.02 = 323.78/x
  3. Step 3: Cross multiply
    506.93x = 759.02 × 323.78
  4. Step 4: Simplify right side
    506.93x = 245,750.08
  5. Step 5: Solve for x
    x = 245,750.08/506.93
  6. Step 6: Final answer
    x = 484.79

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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.