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Finding the Fourth Proportional to 606.11, 909.16 and 401.97

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Solution

The fourth proportional to 606.11, 909.16 and 401.97 is: 602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.11 : 909.16 = 401.97 : x
  2. Step 2: Convert to fraction form
    606.11/909.16 = 401.97/x
  3. Step 3: Cross multiply
    606.11x = 909.16 × 401.97
  4. Step 4: Simplify right side
    606.11x = 365,457.45
  5. Step 5: Solve for x
    x = 365,457.45/606.11
  6. Step 6: Final answer
    x = 602.96

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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.