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Finding the Fourth Proportional to 254.04, 350.63 and 155.88

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Solution

The fourth proportional to 254.04, 350.63 and 155.88 is: 215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.04 : 350.63 = 155.88 : x
  2. Step 2: Convert to fraction form
    254.04/350.63 = 155.88/x
  3. Step 3: Cross multiply
    254.04x = 350.63 × 155.88
  4. Step 4: Simplify right side
    254.04x = 54,656.20
  5. Step 5: Solve for x
    x = 54,656.20/254.04
  6. Step 6: Final answer
    x = 215.15

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