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Finding the Fourth Proportional to 149.22, 223.86 and 53.03

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Solution

The fourth proportional to 149.22, 223.86 and 53.03 is: 79.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.22 : 223.86 = 53.03 : x
  2. Step 2: Convert to fraction form
    149.22/223.86 = 53.03/x
  3. Step 3: Cross multiply
    149.22x = 223.86 × 53.03
  4. Step 4: Simplify right side
    149.22x = 11,871.30
  5. Step 5: Solve for x
    x = 11,871.30/149.22
  6. Step 6: Final answer
    x = 79.56

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