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Finding the Fourth Proportional to 135.39, 203.77 and 101.33

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Solution

The fourth proportional to 135.39, 203.77 and 101.33 is: 152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.39 : 203.77 = 101.33 : x
  2. Step 2: Convert to fraction form
    135.39/203.77 = 101.33/x
  3. Step 3: Cross multiply
    135.39x = 203.77 × 101.33
  4. Step 4: Simplify right side
    135.39x = 20,648.27
  5. Step 5: Solve for x
    x = 20,648.27/135.39
  6. Step 6: Final answer
    x = 152.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.