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Finding the Fourth Proportional to 331.83, 453.83 and 331.83

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Solution

The fourth proportional to 331.83, 453.83 and 331.83 is: 453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.83 : 453.83 = 331.83 : x
  2. Step 2: Convert to fraction form
    331.83/453.83 = 331.83/x
  3. Step 3: Cross multiply
    331.83x = 453.83 × 331.83
  4. Step 4: Simplify right side
    331.83x = 150,592.75
  5. Step 5: Solve for x
    x = 150,592.75/331.83
  6. Step 6: Final answer
    x = 453.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.