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Finding the Fourth Proportional to 266.04, 399.11 and 103.77

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Solution

The fourth proportional to 266.04, 399.11 and 103.77 is: 155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.04 : 399.11 = 103.77 : x
  2. Step 2: Convert to fraction form
    266.04/399.11 = 103.77/x
  3. Step 3: Cross multiply
    266.04x = 399.11 × 103.77
  4. Step 4: Simplify right side
    266.04x = 41,415.13
  5. Step 5: Solve for x
    x = 41,415.13/266.04
  6. Step 6: Final answer
    x = 155.67

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