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Finding the Fourth Proportional to 201.81, 276.93 and 183.33

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Solution

The fourth proportional to 201.81, 276.93 and 183.33 is: 251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.81 : 276.93 = 183.33 : x
  2. Step 2: Convert to fraction form
    201.81/276.93 = 183.33/x
  3. Step 3: Cross multiply
    201.81x = 276.93 × 183.33
  4. Step 4: Simplify right side
    201.81x = 50,769.58
  5. Step 5: Solve for x
    x = 50,769.58/201.81
  6. Step 6: Final answer
    x = 251.57

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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.