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Finding the Fourth Proportional to 233.07, 349.44 and 111.27

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Solution

The fourth proportional to 233.07, 349.44 and 111.27 is: 166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.07 : 349.44 = 111.27 : x
  2. Step 2: Convert to fraction form
    233.07/349.44 = 111.27/x
  3. Step 3: Cross multiply
    233.07x = 349.44 × 111.27
  4. Step 4: Simplify right side
    233.07x = 38,882.19
  5. Step 5: Solve for x
    x = 38,882.19/233.07
  6. Step 6: Final answer
    x = 166.83

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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.