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Finding the Fourth Proportional to 135.16, 202.86 and 134.44

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Solution

The fourth proportional to 135.16, 202.86 and 134.44 is: 201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.16 : 202.86 = 134.44 : x
  2. Step 2: Convert to fraction form
    135.16/202.86 = 134.44/x
  3. Step 3: Cross multiply
    135.16x = 202.86 × 134.44
  4. Step 4: Simplify right side
    135.16x = 27,272.50
  5. Step 5: Solve for x
    x = 27,272.50/135.16
  6. Step 6: Final answer
    x = 201.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.