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Finding the Fourth Proportional to 400.99, 602 and 384.59

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Solution

The fourth proportional to 400.99, 602 and 384.59 is: 577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.99 : 602 = 384.59 : x
  2. Step 2: Convert to fraction form
    400.99/602 = 384.59/x
  3. Step 3: Cross multiply
    400.99x = 602 × 384.59
  4. Step 4: Simplify right side
    400.99x = 231,523.18
  5. Step 5: Solve for x
    x = 231,523.18/400.99
  6. Step 6: Final answer
    x = 577.38

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