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Finding the Fourth Proportional to 606.27, 837.39 and 440.22

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Solution

The fourth proportional to 606.27, 837.39 and 440.22 is: 608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.27 : 837.39 = 440.22 : x
  2. Step 2: Convert to fraction form
    606.27/837.39 = 440.22/x
  3. Step 3: Cross multiply
    606.27x = 837.39 × 440.22
  4. Step 4: Simplify right side
    606.27x = 368,635.83
  5. Step 5: Solve for x
    x = 368,635.83/606.27
  6. Step 6: Final answer
    x = 608.04

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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.