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Finding the Fourth Proportional to 148.26, 204.52 and 92.97

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Solution

The fourth proportional to 148.26, 204.52 and 92.97 is: 128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.26 : 204.52 = 92.97 : x
  2. Step 2: Convert to fraction form
    148.26/204.52 = 92.97/x
  3. Step 3: Cross multiply
    148.26x = 204.52 × 92.97
  4. Step 4: Simplify right side
    148.26x = 19,014.22
  5. Step 5: Solve for x
    x = 19,014.22/148.26
  6. Step 6: Final answer
    x = 128.25

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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.