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Finding the Fourth Proportional to 535.74, 739.37 and 325.97

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Solution

The fourth proportional to 535.74, 739.37 and 325.97 is: 449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.74 : 739.37 = 325.97 : x
  2. Step 2: Convert to fraction form
    535.74/739.37 = 325.97/x
  3. Step 3: Cross multiply
    535.74x = 739.37 × 325.97
  4. Step 4: Simplify right side
    535.74x = 241,007.11
  5. Step 5: Solve for x
    x = 241,007.11/535.74
  6. Step 6: Final answer
    x = 449.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.