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Finding the Fourth Proportional to 562.86, 840.56 and 481.04

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Solution

The fourth proportional to 562.86, 840.56 and 481.04 is: 718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.86 : 840.56 = 481.04 : x
  2. Step 2: Convert to fraction form
    562.86/840.56 = 481.04/x
  3. Step 3: Cross multiply
    562.86x = 840.56 × 481.04
  4. Step 4: Simplify right side
    562.86x = 404,342.98
  5. Step 5: Solve for x
    x = 404,342.98/562.86
  6. Step 6: Final answer
    x = 718.37

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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.