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Finding the Fourth Proportional to 614.01, 921.05 and 203.19

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Solution

The fourth proportional to 614.01, 921.05 and 203.19 is: 304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.01 : 921.05 = 203.19 : x
  2. Step 2: Convert to fraction form
    614.01/921.05 = 203.19/x
  3. Step 3: Cross multiply
    614.01x = 921.05 × 203.19
  4. Step 4: Simplify right side
    614.01x = 187,148.15
  5. Step 5: Solve for x
    x = 187,148.15/614.01
  6. Step 6: Final answer
    x = 304.80

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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.