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Finding the Fourth Proportional to 656.97, 985.44 and 170.02

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Solution

The fourth proportional to 656.97, 985.44 and 170.02 is: 255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.97 : 985.44 = 170.02 : x
  2. Step 2: Convert to fraction form
    656.97/985.44 = 170.02/x
  3. Step 3: Cross multiply
    656.97x = 985.44 × 170.02
  4. Step 4: Simplify right side
    656.97x = 167,539.58
  5. Step 5: Solve for x
    x = 167,539.58/656.97
  6. Step 6: Final answer
    x = 255.02

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