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Finding the Fourth Proportional to 164.93, 227.45 and 133.94

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Solution

The fourth proportional to 164.93, 227.45 and 133.94 is: 184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.93 : 227.45 = 133.94 : x
  2. Step 2: Convert to fraction form
    164.93/227.45 = 133.94/x
  3. Step 3: Cross multiply
    164.93x = 227.45 × 133.94
  4. Step 4: Simplify right side
    164.93x = 30,462.85
  5. Step 5: Solve for x
    x = 30,462.85/164.93
  6. Step 6: Final answer
    x = 184.71

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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.