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Finding the Fourth Proportional to 458.22, 632.43 and 271.82

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Solution

The fourth proportional to 458.22, 632.43 and 271.82 is: 375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.22 : 632.43 = 271.82 : x
  2. Step 2: Convert to fraction form
    458.22/632.43 = 271.82/x
  3. Step 3: Cross multiply
    458.22x = 632.43 × 271.82
  4. Step 4: Simplify right side
    458.22x = 171,909.47
  5. Step 5: Solve for x
    x = 171,909.47/458.22
  6. Step 6: Final answer
    x = 375.16

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