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Finding the Fourth Proportional to 306.03, 422.33 and 181.83

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Solution

The fourth proportional to 306.03, 422.33 and 181.83 is: 250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.03 : 422.33 = 181.83 : x
  2. Step 2: Convert to fraction form
    306.03/422.33 = 181.83/x
  3. Step 3: Cross multiply
    306.03x = 422.33 × 181.83
  4. Step 4: Simplify right side
    306.03x = 76,792.26
  5. Step 5: Solve for x
    x = 76,792.26/306.03
  6. Step 6: Final answer
    x = 250.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.