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Finding the Fourth Proportional to 450.46, 618.98 and 367.38

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Solution

The fourth proportional to 450.46, 618.98 and 367.38 is: 504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.46 : 618.98 = 367.38 : x
  2. Step 2: Convert to fraction form
    450.46/618.98 = 367.38/x
  3. Step 3: Cross multiply
    450.46x = 618.98 × 367.38
  4. Step 4: Simplify right side
    450.46x = 227,400.87
  5. Step 5: Solve for x
    x = 227,400.87/450.46
  6. Step 6: Final answer
    x = 504.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.