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Finding the Fourth Proportional to 266.76, 400 and 104.48

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Solution

The fourth proportional to 266.76, 400 and 104.48 is: 156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.76 : 400 = 104.48 : x
  2. Step 2: Convert to fraction form
    266.76/400 = 104.48/x
  3. Step 3: Cross multiply
    266.76x = 400 × 104.48
  4. Step 4: Simplify right side
    266.76x = 41,792
  5. Step 5: Solve for x
    x = 41,792/266.76
  6. Step 6: Final answer
    x = 156.67

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