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Finding the Fourth Proportional to 499.50, 744.29 and 444.98

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Solution

The fourth proportional to 499.50, 744.29 and 444.98 is: 663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.50 : 744.29 = 444.98 : x
  2. Step 2: Convert to fraction form
    499.50/744.29 = 444.98/x
  3. Step 3: Cross multiply
    499.50x = 744.29 × 444.98
  4. Step 4: Simplify right side
    499.50x = 331,188.22
  5. Step 5: Solve for x
    x = 331,188.22/499.50
  6. Step 6: Final answer
    x = 663.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.