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Finding the Fourth Proportional to 175.07, 262.88 and 139.30

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Solution

The fourth proportional to 175.07, 262.88 and 139.30 is: 209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.07 : 262.88 = 139.30 : x
  2. Step 2: Convert to fraction form
    175.07/262.88 = 139.30/x
  3. Step 3: Cross multiply
    175.07x = 262.88 × 139.30
  4. Step 4: Simplify right side
    175.07x = 36,619.18
  5. Step 5: Solve for x
    x = 36,619.18/175.07
  6. Step 6: Final answer
    x = 209.17

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