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Finding the Fourth Proportional to 413.41, 619.88 and 170.10

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Solution

The fourth proportional to 413.41, 619.88 and 170.10 is: 255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.41 : 619.88 = 170.10 : x
  2. Step 2: Convert to fraction form
    413.41/619.88 = 170.10/x
  3. Step 3: Cross multiply
    413.41x = 619.88 × 170.10
  4. Step 4: Simplify right side
    413.41x = 105,441.59
  5. Step 5: Solve for x
    x = 105,441.59/413.41
  6. Step 6: Final answer
    x = 255.05

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