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Finding the Fourth Proportional to 122.33, 182.99 and 97.83

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Solution

The fourth proportional to 122.33, 182.99 and 97.83 is: 146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.33 : 182.99 = 97.83 : x
  2. Step 2: Convert to fraction form
    122.33/182.99 = 97.83/x
  3. Step 3: Cross multiply
    122.33x = 182.99 × 97.83
  4. Step 4: Simplify right side
    122.33x = 17,902.16
  5. Step 5: Solve for x
    x = 17,902.16/122.33
  6. Step 6: Final answer
    x = 146.34

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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.