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Finding the Fourth Proportional to 104.04, 155.98 and 47

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Solution

The fourth proportional to 104.04, 155.98 and 47 is: 70.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.04 : 155.98 = 47 : x
  2. Step 2: Convert to fraction form
    104.04/155.98 = 47/x
  3. Step 3: Cross multiply
    104.04x = 155.98 × 47
  4. Step 4: Simplify right side
    104.04x = 7,331.06
  5. Step 5: Solve for x
    x = 7,331.06/104.04
  6. Step 6: Final answer
    x = 70.46

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