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Finding the Fourth Proportional to 617.42, 925.81 and 227.14

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Solution

The fourth proportional to 617.42, 925.81 and 227.14 is: 340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.42 : 925.81 = 227.14 : x
  2. Step 2: Convert to fraction form
    617.42/925.81 = 227.14/x
  3. Step 3: Cross multiply
    617.42x = 925.81 × 227.14
  4. Step 4: Simplify right side
    617.42x = 210,285.60
  5. Step 5: Solve for x
    x = 210,285.60/617.42
  6. Step 6: Final answer
    x = 340.59

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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.