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Finding the Fourth Proportional to 155.42, 233 and 83.32

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Solution

The fourth proportional to 155.42, 233 and 83.32 is: 124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.42 : 233 = 83.32 : x
  2. Step 2: Convert to fraction form
    155.42/233 = 83.32/x
  3. Step 3: Cross multiply
    155.42x = 233 × 83.32
  4. Step 4: Simplify right side
    155.42x = 19,413.56
  5. Step 5: Solve for x
    x = 19,413.56/155.42
  6. Step 6: Final answer
    x = 124.91

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