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Finding the Fourth Proportional to 201.03, 299.52 and 190.57

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Solution

The fourth proportional to 201.03, 299.52 and 190.57 is: 283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.03 : 299.52 = 190.57 : x
  2. Step 2: Convert to fraction form
    201.03/299.52 = 190.57/x
  3. Step 3: Cross multiply
    201.03x = 299.52 × 190.57
  4. Step 4: Simplify right side
    201.03x = 57,078.03
  5. Step 5: Solve for x
    x = 57,078.03/201.03
  6. Step 6: Final answer
    x = 283.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.