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Finding the Fourth Proportional to 155.04, 232.58 and 63.78

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Solution

The fourth proportional to 155.04, 232.58 and 63.78 is: 95.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.04 : 232.58 = 63.78 : x
  2. Step 2: Convert to fraction form
    155.04/232.58 = 63.78/x
  3. Step 3: Cross multiply
    155.04x = 232.58 × 63.78
  4. Step 4: Simplify right side
    155.04x = 14,833.95
  5. Step 5: Solve for x
    x = 14,833.95/155.04
  6. Step 6: Final answer
    x = 95.68

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