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Finding the Fourth Proportional to 227.03, 311.27 and 222.93

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Solution

The fourth proportional to 227.03, 311.27 and 222.93 is: 305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.03 : 311.27 = 222.93 : x
  2. Step 2: Convert to fraction form
    227.03/311.27 = 222.93/x
  3. Step 3: Cross multiply
    227.03x = 311.27 × 222.93
  4. Step 4: Simplify right side
    227.03x = 69,391.56
  5. Step 5: Solve for x
    x = 69,391.56/227.03
  6. Step 6: Final answer
    x = 305.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.