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Finding the Fourth Proportional to 151.04, 208.44 and 84.64

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Solution

The fourth proportional to 151.04, 208.44 and 84.64 is: 116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.04 : 208.44 = 84.64 : x
  2. Step 2: Convert to fraction form
    151.04/208.44 = 84.64/x
  3. Step 3: Cross multiply
    151.04x = 208.44 × 84.64
  4. Step 4: Simplify right side
    151.04x = 17,642.36
  5. Step 5: Solve for x
    x = 17,642.36/151.04
  6. Step 6: Final answer
    x = 116.81

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