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Finding the Fourth Proportional to 227.33, 313.03 and 194.51

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Solution

The fourth proportional to 227.33, 313.03 and 194.51 is: 267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.33 : 313.03 = 194.51 : x
  2. Step 2: Convert to fraction form
    227.33/313.03 = 194.51/x
  3. Step 3: Cross multiply
    227.33x = 313.03 × 194.51
  4. Step 4: Simplify right side
    227.33x = 60,887.47
  5. Step 5: Solve for x
    x = 60,887.47/227.33
  6. Step 6: Final answer
    x = 267.84

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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.