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Finding the Fourth Proportional to 606.28, 836.75 and 344.30

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Solution

The fourth proportional to 606.28, 836.75 and 344.30 is: 475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.28 : 836.75 = 344.30 : x
  2. Step 2: Convert to fraction form
    606.28/836.75 = 344.30/x
  3. Step 3: Cross multiply
    606.28x = 836.75 × 344.30
  4. Step 4: Simplify right side
    606.28x = 288,093.03
  5. Step 5: Solve for x
    x = 288,093.03/606.28
  6. Step 6: Final answer
    x = 475.18

Related Problems

Find fourth proportional to 303.14, 418.38 and 172.15
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.