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Finding the Fourth Proportional to 606.70, 868.27 and 606.70

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Solution

The fourth proportional to 606.70, 868.27 and 606.70 is: 868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.70 : 868.27 = 606.70 : x
  2. Step 2: Convert to fraction form
    606.70/868.27 = 606.70/x
  3. Step 3: Cross multiply
    606.70x = 868.27 × 606.70
  4. Step 4: Simplify right side
    606.70x = 526,776.38
  5. Step 5: Solve for x
    x = 526,776.38/606.70
  6. Step 6: Final answer
    x = 868.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.