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Finding the Fourth Proportional to 333.07, 499.61 and 268.45

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Solution

The fourth proportional to 333.07, 499.61 and 268.45 is: 402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.07 : 499.61 = 268.45 : x
  2. Step 2: Convert to fraction form
    333.07/499.61 = 268.45/x
  3. Step 3: Cross multiply
    333.07x = 499.61 × 268.45
  4. Step 4: Simplify right side
    333.07x = 134,119.73
  5. Step 5: Solve for x
    x = 134,119.73/333.07
  6. Step 6: Final answer
    x = 402.68

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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.