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Finding the Fourth Proportional to 89.22, 133.84 and 25.10

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Solution

The fourth proportional to 89.22, 133.84 and 25.10 is: 37.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.22 : 133.84 = 25.10 : x
  2. Step 2: Convert to fraction form
    89.22/133.84 = 25.10/x
  3. Step 3: Cross multiply
    89.22x = 133.84 × 25.10
  4. Step 4: Simplify right side
    89.22x = 3,358.59
  5. Step 5: Solve for x
    x = 3,358.59/89.22
  6. Step 6: Final answer
    x = 37.64

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