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Finding the Fourth Proportional to 610.08, 915.04 and 268

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Solution

The fourth proportional to 610.08, 915.04 and 268 is: 401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.08 : 915.04 = 268 : x
  2. Step 2: Convert to fraction form
    610.08/915.04 = 268/x
  3. Step 3: Cross multiply
    610.08x = 915.04 × 268
  4. Step 4: Simplify right side
    610.08x = 245,230.72
  5. Step 5: Solve for x
    x = 245,230.72/610.08
  6. Step 6: Final answer
    x = 401.96

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