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Finding the Fourth Proportional to 500.14, 748.65 and 335.28

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Solution

The fourth proportional to 500.14, 748.65 and 335.28 is: 501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.14 : 748.65 = 335.28 : x
  2. Step 2: Convert to fraction form
    500.14/748.65 = 335.28/x
  3. Step 3: Cross multiply
    500.14x = 748.65 × 335.28
  4. Step 4: Simplify right side
    500.14x = 251,007.37
  5. Step 5: Solve for x
    x = 251,007.37/500.14
  6. Step 6: Final answer
    x = 501.87

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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.