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Finding the Fourth Proportional to 154.54, 230.33 and 153.27

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Solution

The fourth proportional to 154.54, 230.33 and 153.27 is: 228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.54 : 230.33 = 153.27 : x
  2. Step 2: Convert to fraction form
    154.54/230.33 = 153.27/x
  3. Step 3: Cross multiply
    154.54x = 230.33 × 153.27
  4. Step 4: Simplify right side
    154.54x = 35,301.91
  5. Step 5: Solve for x
    x = 35,301.91/154.54
  6. Step 6: Final answer
    x = 228.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.