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Finding the Fourth Proportional to 150.41, 207.71 and 119.54

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Solution

The fourth proportional to 150.41, 207.71 and 119.54 is: 165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.41 : 207.71 = 119.54 : x
  2. Step 2: Convert to fraction form
    150.41/207.71 = 119.54/x
  3. Step 3: Cross multiply
    150.41x = 207.71 × 119.54
  4. Step 4: Simplify right side
    150.41x = 24,830.38
  5. Step 5: Solve for x
    x = 24,830.38/150.41
  6. Step 6: Final answer
    x = 165.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.