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Finding the Fourth Proportional to 500.44, 750.92 and 305.85

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Solution

The fourth proportional to 500.44, 750.92 and 305.85 is: 458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.44 : 750.92 = 305.85 : x
  2. Step 2: Convert to fraction form
    500.44/750.92 = 305.85/x
  3. Step 3: Cross multiply
    500.44x = 750.92 × 305.85
  4. Step 4: Simplify right side
    500.44x = 229,668.88
  5. Step 5: Solve for x
    x = 229,668.88/500.44
  6. Step 6: Final answer
    x = 458.93

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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.