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Finding the Fourth Proportional to 358.06, 535.97 and 227.61

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Solution

The fourth proportional to 358.06, 535.97 and 227.61 is: 340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.06 : 535.97 = 227.61 : x
  2. Step 2: Convert to fraction form
    358.06/535.97 = 227.61/x
  3. Step 3: Cross multiply
    358.06x = 535.97 × 227.61
  4. Step 4: Simplify right side
    358.06x = 121,992.13
  5. Step 5: Solve for x
    x = 121,992.13/358.06
  6. Step 6: Final answer
    x = 340.70

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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.