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Finding the Fourth Proportional to 488.75, 733.13 and 123.54

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Solution

The fourth proportional to 488.75, 733.13 and 123.54 is: 185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.75 : 733.13 = 123.54 : x
  2. Step 2: Convert to fraction form
    488.75/733.13 = 123.54/x
  3. Step 3: Cross multiply
    488.75x = 733.13 × 123.54
  4. Step 4: Simplify right side
    488.75x = 90,570.26
  5. Step 5: Solve for x
    x = 90,570.26/488.75
  6. Step 6: Final answer
    x = 185.31

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