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Finding the Fourth Proportional to 333.52, 499.16 and 251.91

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Solution

The fourth proportional to 333.52, 499.16 and 251.91 is: 377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.52 : 499.16 = 251.91 : x
  2. Step 2: Convert to fraction form
    333.52/499.16 = 251.91/x
  3. Step 3: Cross multiply
    333.52x = 499.16 × 251.91
  4. Step 4: Simplify right side
    333.52x = 125,744.03
  5. Step 5: Solve for x
    x = 125,744.03/333.52
  6. Step 6: Final answer
    x = 377.02

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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.