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Finding the Fourth Proportional to 270.48, 404.79 and 230.37

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Solution

The fourth proportional to 270.48, 404.79 and 230.37 is: 344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.48 : 404.79 = 230.37 : x
  2. Step 2: Convert to fraction form
    270.48/404.79 = 230.37/x
  3. Step 3: Cross multiply
    270.48x = 404.79 × 230.37
  4. Step 4: Simplify right side
    270.48x = 93,251.47
  5. Step 5: Solve for x
    x = 93,251.47/270.48
  6. Step 6: Final answer
    x = 344.76

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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.