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Finding the Fourth Proportional to 203.04, 280 and 153.92

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Solution

The fourth proportional to 203.04, 280 and 153.92 is: 212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.04 : 280 = 153.92 : x
  2. Step 2: Convert to fraction form
    203.04/280 = 153.92/x
  3. Step 3: Cross multiply
    203.04x = 280 × 153.92
  4. Step 4: Simplify right side
    203.04x = 43,097.60
  5. Step 5: Solve for x
    x = 43,097.60/203.04
  6. Step 6: Final answer
    x = 212.26

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