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Finding the Fourth Proportional to 229.70, 341.84 and 227.30

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Solution

The fourth proportional to 229.70, 341.84 and 227.30 is: 338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.70 : 341.84 = 227.30 : x
  2. Step 2: Convert to fraction form
    229.70/341.84 = 227.30/x
  3. Step 3: Cross multiply
    229.70x = 341.84 × 227.30
  4. Step 4: Simplify right side
    229.70x = 77,700.23
  5. Step 5: Solve for x
    x = 77,700.23/229.70
  6. Step 6: Final answer
    x = 338.27

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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.