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Finding the Fourth Proportional to 757, 1,044.78 and 446.44

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Solution

The fourth proportional to 757, 1,044.78 and 446.44 is: 616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757 : 1,044.78 = 446.44 : x
  2. Step 2: Convert to fraction form
    757/1,044.78 = 446.44/x
  3. Step 3: Cross multiply
    757x = 1,044.78 × 446.44
  4. Step 4: Simplify right side
    757x = 466,431.58
  5. Step 5: Solve for x
    x = 466,431.58/757
  6. Step 6: Final answer
    x = 616.16

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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.