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Finding the Fourth Proportional to 333.72, 500.45 and 151.07

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Solution

The fourth proportional to 333.72, 500.45 and 151.07 is: 226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.72 : 500.45 = 151.07 : x
  2. Step 2: Convert to fraction form
    333.72/500.45 = 151.07/x
  3. Step 3: Cross multiply
    333.72x = 500.45 × 151.07
  4. Step 4: Simplify right side
    333.72x = 75,599.72
  5. Step 5: Solve for x
    x = 75,599.72/333.72
  6. Step 6: Final answer
    x = 226.54

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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.