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Finding the Fourth Proportional to 134.39, 201.44 and 88.77

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Solution

The fourth proportional to 134.39, 201.44 and 88.77 is: 133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.39 : 201.44 = 88.77 : x
  2. Step 2: Convert to fraction form
    134.39/201.44 = 88.77/x
  3. Step 3: Cross multiply
    134.39x = 201.44 × 88.77
  4. Step 4: Simplify right side
    134.39x = 17,881.83
  5. Step 5: Solve for x
    x = 17,881.83/134.39
  6. Step 6: Final answer
    x = 133.06

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