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Finding the Fourth Proportional to 293.32, 404.54 and 214.55

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Solution

The fourth proportional to 293.32, 404.54 and 214.55 is: 295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.32 : 404.54 = 214.55 : x
  2. Step 2: Convert to fraction form
    293.32/404.54 = 214.55/x
  3. Step 3: Cross multiply
    293.32x = 404.54 × 214.55
  4. Step 4: Simplify right side
    293.32x = 86,793.28
  5. Step 5: Solve for x
    x = 86,793.28/293.32
  6. Step 6: Final answer
    x = 295.90

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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.