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Finding the Fourth Proportional to 446.33, 616.19 and 299.75

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Solution

The fourth proportional to 446.33, 616.19 and 299.75 is: 413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.33 : 616.19 = 299.75 : x
  2. Step 2: Convert to fraction form
    446.33/616.19 = 299.75/x
  3. Step 3: Cross multiply
    446.33x = 616.19 × 299.75
  4. Step 4: Simplify right side
    446.33x = 184,698.37
  5. Step 5: Solve for x
    x = 184,698.37/446.33
  6. Step 6: Final answer
    x = 413.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.