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Finding the Fourth Proportional to 606.27, 909.24 and 259.49

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Solution

The fourth proportional to 606.27, 909.24 and 259.49 is: 389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.27 : 909.24 = 259.49 : x
  2. Step 2: Convert to fraction form
    606.27/909.24 = 259.49/x
  3. Step 3: Cross multiply
    606.27x = 909.24 × 259.49
  4. Step 4: Simplify right side
    606.27x = 235,934.14
  5. Step 5: Solve for x
    x = 235,934.14/606.27
  6. Step 6: Final answer
    x = 389.16

Related Problems

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Half scale
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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.