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Finding the Fourth Proportional to 98.02, 147.03 and 25.88

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Solution

The fourth proportional to 98.02, 147.03 and 25.88 is: 38.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.02 : 147.03 = 25.88 : x
  2. Step 2: Convert to fraction form
    98.02/147.03 = 25.88/x
  3. Step 3: Cross multiply
    98.02x = 147.03 × 25.88
  4. Step 4: Simplify right side
    98.02x = 3,804.45
  5. Step 5: Solve for x
    x = 3,804.45/98.02
  6. Step 6: Final answer
    x = 38.81

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