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Finding the Fourth Proportional to 435.13, 600.50 and 287.51

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Solution

The fourth proportional to 435.13, 600.50 and 287.51 is: 396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.13 : 600.50 = 287.51 : x
  2. Step 2: Convert to fraction form
    435.13/600.50 = 287.51/x
  3. Step 3: Cross multiply
    435.13x = 600.50 × 287.51
  4. Step 4: Simplify right side
    435.13x = 172,647.47
  5. Step 5: Solve for x
    x = 172,647.47/435.13
  6. Step 6: Final answer
    x = 396.77

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