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Finding the Fourth Proportional to 154.96, 230.72 and 154.48

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Solution

The fourth proportional to 154.96, 230.72 and 154.48 is: 230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.96 : 230.72 = 154.48 : x
  2. Step 2: Convert to fraction form
    154.96/230.72 = 154.48/x
  3. Step 3: Cross multiply
    154.96x = 230.72 × 154.48
  4. Step 4: Simplify right side
    154.96x = 35,641.63
  5. Step 5: Solve for x
    x = 35,641.63/154.96
  6. Step 6: Final answer
    x = 230.01

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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.