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Finding the Fourth Proportional to 606.18, 836.55 and 344.25

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Solution

The fourth proportional to 606.18, 836.55 and 344.25 is: 475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.18 : 836.55 = 344.25 : x
  2. Step 2: Convert to fraction form
    606.18/836.55 = 344.25/x
  3. Step 3: Cross multiply
    606.18x = 836.55 × 344.25
  4. Step 4: Simplify right side
    606.18x = 287,982.34
  5. Step 5: Solve for x
    x = 287,982.34/606.18
  6. Step 6: Final answer
    x = 475.08

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.