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Finding the Fourth Proportional to 174.83, 262.42 and 133.31

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Solution

The fourth proportional to 174.83, 262.42 and 133.31 is: 200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.83 : 262.42 = 133.31 : x
  2. Step 2: Convert to fraction form
    174.83/262.42 = 133.31/x
  3. Step 3: Cross multiply
    174.83x = 262.42 × 133.31
  4. Step 4: Simplify right side
    174.83x = 34,983.53
  5. Step 5: Solve for x
    x = 34,983.53/174.83
  6. Step 6: Final answer
    x = 200.10

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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.