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Finding the Fourth Proportional to 148.01, 204.17 and 92.00

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Solution

The fourth proportional to 148.01, 204.17 and 92.00 is: 126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.01 : 204.17 = 92.00 : x
  2. Step 2: Convert to fraction form
    148.01/204.17 = 92.00/x
  3. Step 3: Cross multiply
    148.01x = 204.17 × 92.00
  4. Step 4: Simplify right side
    148.01x = 18,783.69
  5. Step 5: Solve for x
    x = 18,783.69/148.01
  6. Step 6: Final answer
    x = 126.91

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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.