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Finding the Fourth Proportional to 446.45, 616.10 and 249.95

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Solution

The fourth proportional to 446.45, 616.10 and 249.95 is: 344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.45 : 616.10 = 249.95 : x
  2. Step 2: Convert to fraction form
    446.45/616.10 = 249.95/x
  3. Step 3: Cross multiply
    446.45x = 616.10 × 249.95
  4. Step 4: Simplify right side
    446.45x = 153,991.74
  5. Step 5: Solve for x
    x = 153,991.74/446.45
  6. Step 6: Final answer
    x = 344.93

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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.