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Finding the Fourth Proportional to 293.87, 404.66 and 270.65

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Solution

The fourth proportional to 293.87, 404.66 and 270.65 is: 372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.87 : 404.66 = 270.65 : x
  2. Step 2: Convert to fraction form
    293.87/404.66 = 270.65/x
  3. Step 3: Cross multiply
    293.87x = 404.66 × 270.65
  4. Step 4: Simplify right side
    293.87x = 109,519.88
  5. Step 5: Solve for x
    x = 109,519.88/293.87
  6. Step 6: Final answer
    x = 372.68

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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.