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Finding the Fourth Proportional to 606.01, 909.06 and 259.35

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Solution

The fourth proportional to 606.01, 909.06 and 259.35 is: 389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.01 : 909.06 = 259.35 : x
  2. Step 2: Convert to fraction form
    606.01/909.06 = 259.35/x
  3. Step 3: Cross multiply
    606.01x = 909.06 × 259.35
  4. Step 4: Simplify right side
    606.01x = 235,764.71
  5. Step 5: Solve for x
    x = 235,764.71/606.01
  6. Step 6: Final answer
    x = 389.05

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Double scale
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Similar ratio
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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.