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Finding the Fourth Proportional to 227.60, 339.84 and 187.10

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Solution

The fourth proportional to 227.60, 339.84 and 187.10 is: 279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.60 : 339.84 = 187.10 : x
  2. Step 2: Convert to fraction form
    227.60/339.84 = 187.10/x
  3. Step 3: Cross multiply
    227.60x = 339.84 × 187.10
  4. Step 4: Simplify right side
    227.60x = 63,584.06
  5. Step 5: Solve for x
    x = 63,584.06/227.60
  6. Step 6: Final answer
    x = 279.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.