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Finding the Fourth Proportional to 306.92, 423.52 and 182.59

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Solution

The fourth proportional to 306.92, 423.52 and 182.59 is: 251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.92 : 423.52 = 182.59 : x
  2. Step 2: Convert to fraction form
    306.92/423.52 = 182.59/x
  3. Step 3: Cross multiply
    306.92x = 423.52 × 182.59
  4. Step 4: Simplify right side
    306.92x = 77,329.00
  5. Step 5: Solve for x
    x = 77,329.00/306.92
  6. Step 6: Final answer
    x = 251.95

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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.