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Finding the Fourth Proportional to 454.82, 627.62 and 258.42

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Solution

The fourth proportional to 454.82, 627.62 and 258.42 is: 356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.82 : 627.62 = 258.42 : x
  2. Step 2: Convert to fraction form
    454.82/627.62 = 258.42/x
  3. Step 3: Cross multiply
    454.82x = 627.62 × 258.42
  4. Step 4: Simplify right side
    454.82x = 162,189.56
  5. Step 5: Solve for x
    x = 162,189.56/454.82
  6. Step 6: Final answer
    x = 356.60

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