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Finding the Fourth Proportional to 606.01, 909.28 and 259.38

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Solution

The fourth proportional to 606.01, 909.28 and 259.38 is: 389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.01 : 909.28 = 259.38 : x
  2. Step 2: Convert to fraction form
    606.01/909.28 = 259.38/x
  3. Step 3: Cross multiply
    606.01x = 909.28 × 259.38
  4. Step 4: Simplify right side
    606.01x = 235,849.05
  5. Step 5: Solve for x
    x = 235,849.05/606.01
  6. Step 6: Final answer
    x = 389.18

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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.