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Finding the Fourth Proportional to 201.36, 277.97 and 146.37

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Solution

The fourth proportional to 201.36, 277.97 and 146.37 is: 202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.36 : 277.97 = 146.37 : x
  2. Step 2: Convert to fraction form
    201.36/277.97 = 146.37/x
  3. Step 3: Cross multiply
    201.36x = 277.97 × 146.37
  4. Step 4: Simplify right side
    201.36x = 40,685.74
  5. Step 5: Solve for x
    x = 40,685.74/201.36
  6. Step 6: Final answer
    x = 202.05

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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.