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Finding the Fourth Proportional to 695.12, 959 and 400.24

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Solution

The fourth proportional to 695.12, 959 and 400.24 is: 552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.12 : 959 = 400.24 : x
  2. Step 2: Convert to fraction form
    695.12/959 = 400.24/x
  3. Step 3: Cross multiply
    695.12x = 959 × 400.24
  4. Step 4: Simplify right side
    695.12x = 383,830.16
  5. Step 5: Solve for x
    x = 383,830.16/695.12
  6. Step 6: Final answer
    x = 552.18

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