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Finding the Fourth Proportional to 227.93, 314.43 and 211.46

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Solution

The fourth proportional to 227.93, 314.43 and 211.46 is: 291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.93 : 314.43 = 211.46 : x
  2. Step 2: Convert to fraction form
    227.93/314.43 = 211.46/x
  3. Step 3: Cross multiply
    227.93x = 314.43 × 211.46
  4. Step 4: Simplify right side
    227.93x = 66,489.37
  5. Step 5: Solve for x
    x = 66,489.37/227.93
  6. Step 6: Final answer
    x = 291.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.