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Finding the Fourth Proportional to 148.43, 204.74 and 96.04

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Solution

The fourth proportional to 148.43, 204.74 and 96.04 is: 132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.43 : 204.74 = 96.04 : x
  2. Step 2: Convert to fraction form
    148.43/204.74 = 96.04/x
  3. Step 3: Cross multiply
    148.43x = 204.74 × 96.04
  4. Step 4: Simplify right side
    148.43x = 19,663.23
  5. Step 5: Solve for x
    x = 19,663.23/148.43
  6. Step 6: Final answer
    x = 132.47

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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.