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Finding the Fourth Proportional to 607.38, 911.06 and 151.38

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Solution

The fourth proportional to 607.38, 911.06 and 151.38 is: 227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.38 : 911.06 = 151.38 : x
  2. Step 2: Convert to fraction form
    607.38/911.06 = 151.38/x
  3. Step 3: Cross multiply
    607.38x = 911.06 × 151.38
  4. Step 4: Simplify right side
    607.38x = 137,916.26
  5. Step 5: Solve for x
    x = 137,916.26/607.38
  6. Step 6: Final answer
    x = 227.07

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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.