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Finding the Fourth Proportional to 606.38, 909.21 and 241.10

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Solution

The fourth proportional to 606.38, 909.21 and 241.10 is: 361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.38 : 909.21 = 241.10 : x
  2. Step 2: Convert to fraction form
    606.38/909.21 = 241.10/x
  3. Step 3: Cross multiply
    606.38x = 909.21 × 241.10
  4. Step 4: Simplify right side
    606.38x = 219,210.53
  5. Step 5: Solve for x
    x = 219,210.53/606.38
  6. Step 6: Final answer
    x = 361.51

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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.