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Finding the Fourth Proportional to 450.49, 622.22 and 325.95

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Solution

The fourth proportional to 450.49, 622.22 and 325.95 is: 450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.49 : 622.22 = 325.95 : x
  2. Step 2: Convert to fraction form
    450.49/622.22 = 325.95/x
  3. Step 3: Cross multiply
    450.49x = 622.22 × 325.95
  4. Step 4: Simplify right side
    450.49x = 202,813.15
  5. Step 5: Solve for x
    x = 202,813.15/450.49
  6. Step 6: Final answer
    x = 450.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.