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Finding the Fourth Proportional to 606.35, 836.43 and 440.37

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Solution

The fourth proportional to 606.35, 836.43 and 440.37 is: 607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.35 : 836.43 = 440.37 : x
  2. Step 2: Convert to fraction form
    606.35/836.43 = 440.37/x
  3. Step 3: Cross multiply
    606.35x = 836.43 × 440.37
  4. Step 4: Simplify right side
    606.35x = 368,337.03
  5. Step 5: Solve for x
    x = 368,337.03/606.35
  6. Step 6: Final answer
    x = 607.46

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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.