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Finding the Fourth Proportional to 606.92, 836.60 and 556.70

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Solution

The fourth proportional to 606.92, 836.60 and 556.70 is: 767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.92 : 836.60 = 556.70 : x
  2. Step 2: Convert to fraction form
    606.92/836.60 = 556.70/x
  3. Step 3: Cross multiply
    606.92x = 836.60 × 556.70
  4. Step 4: Simplify right side
    606.92x = 465,735.22
  5. Step 5: Solve for x
    x = 465,735.22/606.92
  6. Step 6: Final answer
    x = 767.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.