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Finding the Fourth Proportional to 227.52, 339.24 and 203.16

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Solution

The fourth proportional to 227.52, 339.24 and 203.16 is: 302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.52 : 339.24 = 203.16 : x
  2. Step 2: Convert to fraction form
    227.52/339.24 = 203.16/x
  3. Step 3: Cross multiply
    227.52x = 339.24 × 203.16
  4. Step 4: Simplify right side
    227.52x = 68,920.00
  5. Step 5: Solve for x
    x = 68,920.00/227.52
  6. Step 6: Final answer
    x = 302.92

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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.