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Finding the Fourth Proportional to 202.93, 281.92 and 201.03

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Solution

The fourth proportional to 202.93, 281.92 and 201.03 is: 279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.93 : 281.92 = 201.03 : x
  2. Step 2: Convert to fraction form
    202.93/281.92 = 201.03/x
  3. Step 3: Cross multiply
    202.93x = 281.92 × 201.03
  4. Step 4: Simplify right side
    202.93x = 56,673.88
  5. Step 5: Solve for x
    x = 56,673.88/202.93
  6. Step 6: Final answer
    x = 279.28

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.