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Finding the Fourth Proportional to 496.50, 744.23 and 359.20

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Solution

The fourth proportional to 496.50, 744.23 and 359.20 is: 538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.50 : 744.23 = 359.20 : x
  2. Step 2: Convert to fraction form
    496.50/744.23 = 359.20/x
  3. Step 3: Cross multiply
    496.50x = 744.23 × 359.20
  4. Step 4: Simplify right side
    496.50x = 267,327.42
  5. Step 5: Solve for x
    x = 267,327.42/496.50
  6. Step 6: Final answer
    x = 538.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.