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Finding the Fourth Proportional to 576.82, 797.03 and 453.47

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Solution

The fourth proportional to 576.82, 797.03 and 453.47 is: 626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.82 : 797.03 = 453.47 : x
  2. Step 2: Convert to fraction form
    576.82/797.03 = 453.47/x
  3. Step 3: Cross multiply
    576.82x = 797.03 × 453.47
  4. Step 4: Simplify right side
    576.82x = 361,424.64
  5. Step 5: Solve for x
    x = 361,424.64/576.82
  6. Step 6: Final answer
    x = 626.58

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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.