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Finding the Fourth Proportional to 576.37, 796.04 and 446.95

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Solution

The fourth proportional to 576.37, 796.04 and 446.95 is: 617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.37 : 796.04 = 446.95 : x
  2. Step 2: Convert to fraction form
    576.37/796.04 = 446.95/x
  3. Step 3: Cross multiply
    576.37x = 796.04 × 446.95
  4. Step 4: Simplify right side
    576.37x = 355,790.08
  5. Step 5: Solve for x
    x = 355,790.08/576.37
  6. Step 6: Final answer
    x = 617.29

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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.