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Finding the Fourth Proportional to 606, 911.48 and 553.52

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Solution

The fourth proportional to 606, 911.48 and 553.52 is: 832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606 : 911.48 = 553.52 : x
  2. Step 2: Convert to fraction form
    606/911.48 = 553.52/x
  3. Step 3: Cross multiply
    606x = 911.48 × 553.52
  4. Step 4: Simplify right side
    606x = 504,522.41
  5. Step 5: Solve for x
    x = 504,522.41/606
  6. Step 6: Final answer
    x = 832.55

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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.