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Finding the Fourth Proportional to 150.08, 224.50 and 137.14

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Solution

The fourth proportional to 150.08, 224.50 and 137.14 is: 205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.08 : 224.50 = 137.14 : x
  2. Step 2: Convert to fraction form
    150.08/224.50 = 137.14/x
  3. Step 3: Cross multiply
    150.08x = 224.50 × 137.14
  4. Step 4: Simplify right side
    150.08x = 30,788.16
  5. Step 5: Solve for x
    x = 30,788.16/150.08
  6. Step 6: Final answer
    x = 205.15

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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.