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Finding the Fourth Proportional to 437.06, 655.80 and 231.73

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Solution

The fourth proportional to 437.06, 655.80 and 231.73 is: 347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.06 : 655.80 = 231.73 : x
  2. Step 2: Convert to fraction form
    437.06/655.80 = 231.73/x
  3. Step 3: Cross multiply
    437.06x = 655.80 × 231.73
  4. Step 4: Simplify right side
    437.06x = 151,966.03
  5. Step 5: Solve for x
    x = 151,966.03/437.06
  6. Step 6: Final answer
    x = 347.70

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