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Finding the Fourth Proportional to 333.12, 499.28 and 150.46

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Solution

The fourth proportional to 333.12, 499.28 and 150.46 is: 225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.12 : 499.28 = 150.46 : x
  2. Step 2: Convert to fraction form
    333.12/499.28 = 150.46/x
  3. Step 3: Cross multiply
    333.12x = 499.28 × 150.46
  4. Step 4: Simplify right side
    333.12x = 75,121.67
  5. Step 5: Solve for x
    x = 75,121.67/333.12
  6. Step 6: Final answer
    x = 225.51

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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.