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Finding the Fourth Proportional to 606.36, 836.38 and 466.26

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Solution

The fourth proportional to 606.36, 836.38 and 466.26 is: 643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.36 : 836.38 = 466.26 : x
  2. Step 2: Convert to fraction form
    606.36/836.38 = 466.26/x
  3. Step 3: Cross multiply
    606.36x = 836.38 × 466.26
  4. Step 4: Simplify right side
    606.36x = 389,970.54
  5. Step 5: Solve for x
    x = 389,970.54/606.36
  6. Step 6: Final answer
    x = 643.13

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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.