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Finding the Fourth Proportional to 587.82, 882.73 and 490.22

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Solution

The fourth proportional to 587.82, 882.73 and 490.22 is: 736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.82 : 882.73 = 490.22 : x
  2. Step 2: Convert to fraction form
    587.82/882.73 = 490.22/x
  3. Step 3: Cross multiply
    587.82x = 882.73 × 490.22
  4. Step 4: Simplify right side
    587.82x = 432,731.90
  5. Step 5: Solve for x
    x = 432,731.90/587.82
  6. Step 6: Final answer
    x = 736.16

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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.