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Finding the Fourth Proportional to 463, 697.25 and 402.86

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Solution

The fourth proportional to 463, 697.25 and 402.86 is: 606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463 : 697.25 = 402.86 : x
  2. Step 2: Convert to fraction form
    463/697.25 = 402.86/x
  3. Step 3: Cross multiply
    463x = 697.25 × 402.86
  4. Step 4: Simplify right side
    463x = 280,894.14
  5. Step 5: Solve for x
    x = 280,894.14/463
  6. Step 6: Final answer
    x = 606.68

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