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Finding the Fourth Proportional to 606.23, 909.35 and 216.13

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Solution

The fourth proportional to 606.23, 909.35 and 216.13 is: 324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.23 : 909.35 = 216.13 : x
  2. Step 2: Convert to fraction form
    606.23/909.35 = 216.13/x
  3. Step 3: Cross multiply
    606.23x = 909.35 × 216.13
  4. Step 4: Simplify right side
    606.23x = 196,536.08
  5. Step 5: Solve for x
    x = 196,536.08/606.23
  6. Step 6: Final answer
    x = 324.19

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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.