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Finding the Fourth Proportional to 490.88, 733.44 and 335.68

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Solution

The fourth proportional to 490.88, 733.44 and 335.68 is: 501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490.88 : 733.44 = 335.68 : x
  2. Step 2: Convert to fraction form
    490.88/733.44 = 335.68/x
  3. Step 3: Cross multiply
    490.88x = 733.44 × 335.68
  4. Step 4: Simplify right side
    490.88x = 246,201.14
  5. Step 5: Solve for x
    x = 246,201.14/490.88
  6. Step 6: Final answer
    x = 501.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.