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Finding the Fourth Proportional to 155.82, 232.25 and 154.46

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Solution

The fourth proportional to 155.82, 232.25 and 154.46 is: 230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.82 : 232.25 = 154.46 : x
  2. Step 2: Convert to fraction form
    155.82/232.25 = 154.46/x
  3. Step 3: Cross multiply
    155.82x = 232.25 × 154.46
  4. Step 4: Simplify right side
    155.82x = 35,873.36
  5. Step 5: Solve for x
    x = 35,873.36/155.82
  6. Step 6: Final answer
    x = 230.22

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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.