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Finding the Fourth Proportional to 149.33, 207.08 and 141.05

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Solution

The fourth proportional to 149.33, 207.08 and 141.05 is: 195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.33 : 207.08 = 141.05 : x
  2. Step 2: Convert to fraction form
    149.33/207.08 = 141.05/x
  3. Step 3: Cross multiply
    149.33x = 207.08 × 141.05
  4. Step 4: Simplify right side
    149.33x = 29,208.63
  5. Step 5: Solve for x
    x = 29,208.63/149.33
  6. Step 6: Final answer
    x = 195.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.