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Finding the Fourth Proportional to 450.28, 624.01 and 363.88

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Solution

The fourth proportional to 450.28, 624.01 and 363.88 is: 504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.28 : 624.01 = 363.88 : x
  2. Step 2: Convert to fraction form
    450.28/624.01 = 363.88/x
  3. Step 3: Cross multiply
    450.28x = 624.01 × 363.88
  4. Step 4: Simplify right side
    450.28x = 227,064.76
  5. Step 5: Solve for x
    x = 227,064.76/450.28
  6. Step 6: Final answer
    x = 504.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.