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Finding the Fourth Proportional to 267.22, 368.64 and 156.66

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Solution

The fourth proportional to 267.22, 368.64 and 156.66 is: 216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.22 : 368.64 = 156.66 : x
  2. Step 2: Convert to fraction form
    267.22/368.64 = 156.66/x
  3. Step 3: Cross multiply
    267.22x = 368.64 × 156.66
  4. Step 4: Simplify right side
    267.22x = 57,751.14
  5. Step 5: Solve for x
    x = 57,751.14/267.22
  6. Step 6: Final answer
    x = 216.12

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