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Finding the Fourth Proportional to 450.04, 621 and 253.50

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Solution

The fourth proportional to 450.04, 621 and 253.50 is: 349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.04 : 621 = 253.50 : x
  2. Step 2: Convert to fraction form
    450.04/621 = 253.50/x
  3. Step 3: Cross multiply
    450.04x = 621 × 253.50
  4. Step 4: Simplify right side
    450.04x = 157,423.50
  5. Step 5: Solve for x
    x = 157,423.50/450.04
  6. Step 6: Final answer
    x = 349.80

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