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Finding the Fourth Proportional to 480.26, 719.91 and 155.39

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Solution

The fourth proportional to 480.26, 719.91 and 155.39 is: 232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.26 : 719.91 = 155.39 : x
  2. Step 2: Convert to fraction form
    480.26/719.91 = 155.39/x
  3. Step 3: Cross multiply
    480.26x = 719.91 × 155.39
  4. Step 4: Simplify right side
    480.26x = 111,863.22
  5. Step 5: Solve for x
    x = 111,863.22/480.26
  6. Step 6: Final answer
    x = 232.92

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