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Finding the Fourth Proportional to 463.86, 635.98 and 455.64

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Solution

The fourth proportional to 463.86, 635.98 and 455.64 is: 624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.86 : 635.98 = 455.64 : x
  2. Step 2: Convert to fraction form
    463.86/635.98 = 455.64/x
  3. Step 3: Cross multiply
    463.86x = 635.98 × 455.64
  4. Step 4: Simplify right side
    463.86x = 289,777.93
  5. Step 5: Solve for x
    x = 289,777.93/463.86
  6. Step 6: Final answer
    x = 624.71

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