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Finding the Fourth Proportional to 576.19, 860.11 and 533.37

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Solution

The fourth proportional to 576.19, 860.11 and 533.37 is: 796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.19 : 860.11 = 533.37 : x
  2. Step 2: Convert to fraction form
    576.19/860.11 = 533.37/x
  3. Step 3: Cross multiply
    576.19x = 860.11 × 533.37
  4. Step 4: Simplify right side
    576.19x = 458,749.90
  5. Step 5: Solve for x
    x = 458,749.90/576.19
  6. Step 6: Final answer
    x = 796.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.