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Finding the Fourth Proportional to 562.33, 842.89 and 379.27

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Solution

The fourth proportional to 562.33, 842.89 and 379.27 is: 568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.33 : 842.89 = 379.27 : x
  2. Step 2: Convert to fraction form
    562.33/842.89 = 379.27/x
  3. Step 3: Cross multiply
    562.33x = 842.89 × 379.27
  4. Step 4: Simplify right side
    562.33x = 319,682.89
  5. Step 5: Solve for x
    x = 319,682.89/562.33
  6. Step 6: Final answer
    x = 568.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.