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Finding the Fourth Proportional to 400.04, 600.21 and 156.73

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Solution

The fourth proportional to 400.04, 600.21 and 156.73 is: 235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.04 : 600.21 = 156.73 : x
  2. Step 2: Convert to fraction form
    400.04/600.21 = 156.73/x
  3. Step 3: Cross multiply
    400.04x = 600.21 × 156.73
  4. Step 4: Simplify right side
    400.04x = 94,070.13
  5. Step 5: Solve for x
    x = 94,070.13/400.04
  6. Step 6: Final answer
    x = 235.15

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