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Finding the Fourth Proportional to 606.30, 909.60 and 195.49

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Solution

The fourth proportional to 606.30, 909.60 and 195.49 is: 293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.30 : 909.60 = 195.49 : x
  2. Step 2: Convert to fraction form
    606.30/909.60 = 195.49/x
  3. Step 3: Cross multiply
    606.30x = 909.60 × 195.49
  4. Step 4: Simplify right side
    606.30x = 177,817.70
  5. Step 5: Solve for x
    x = 177,817.70/606.30
  6. Step 6: Final answer
    x = 293.28

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.