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Finding the Fourth Proportional to 351.45, 523.66 and 335.73

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Solution

The fourth proportional to 351.45, 523.66 and 335.73 is: 500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.45 : 523.66 = 335.73 : x
  2. Step 2: Convert to fraction form
    351.45/523.66 = 335.73/x
  3. Step 3: Cross multiply
    351.45x = 523.66 × 335.73
  4. Step 4: Simplify right side
    351.45x = 175,805.75
  5. Step 5: Solve for x
    x = 175,805.75/351.45
  6. Step 6: Final answer
    x = 500.24

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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.