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Finding the Fourth Proportional to 268.12, 402.54 and 152.64

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Solution

The fourth proportional to 268.12, 402.54 and 152.64 is: 229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.12 : 402.54 = 152.64 : x
  2. Step 2: Convert to fraction form
    268.12/402.54 = 152.64/x
  3. Step 3: Cross multiply
    268.12x = 402.54 × 152.64
  4. Step 4: Simplify right side
    268.12x = 61,443.71
  5. Step 5: Solve for x
    x = 61,443.71/268.12
  6. Step 6: Final answer
    x = 229.16

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