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Finding the Fourth Proportional to 450.93, 621 and 372.60

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Solution

The fourth proportional to 450.93, 621 and 372.60 is: 513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.93 : 621 = 372.60 : x
  2. Step 2: Convert to fraction form
    450.93/621 = 372.60/x
  3. Step 3: Cross multiply
    450.93x = 621 × 372.60
  4. Step 4: Simplify right side
    450.93x = 231,384.60
  5. Step 5: Solve for x
    x = 231,384.60/450.93
  6. Step 6: Final answer
    x = 513.13

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