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Finding the Fourth Proportional to 499.13, 748.50 and 293.75

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Solution

The fourth proportional to 499.13, 748.50 and 293.75 is: 440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.13 : 748.50 = 293.75 : x
  2. Step 2: Convert to fraction form
    499.13/748.50 = 293.75/x
  3. Step 3: Cross multiply
    499.13x = 748.50 × 293.75
  4. Step 4: Simplify right side
    499.13x = 219,871.88
  5. Step 5: Solve for x
    x = 219,871.88/499.13
  6. Step 6: Final answer
    x = 440.51

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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.