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Finding the Fourth Proportional to 201.37, 275.76 and 190.27

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Solution

The fourth proportional to 201.37, 275.76 and 190.27 is: 260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.37 : 275.76 = 190.27 : x
  2. Step 2: Convert to fraction form
    201.37/275.76 = 190.27/x
  3. Step 3: Cross multiply
    201.37x = 275.76 × 190.27
  4. Step 4: Simplify right side
    201.37x = 52,468.86
  5. Step 5: Solve for x
    x = 52,468.86/201.37
  6. Step 6: Final answer
    x = 260.56

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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.