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Finding the Fourth Proportional to 153.96, 230.93 and 62.73

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Solution

The fourth proportional to 153.96, 230.93 and 62.73 is: 94.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.96 : 230.93 = 62.73 : x
  2. Step 2: Convert to fraction form
    153.96/230.93 = 62.73/x
  3. Step 3: Cross multiply
    153.96x = 230.93 × 62.73
  4. Step 4: Simplify right side
    153.96x = 14,485.93
  5. Step 5: Solve for x
    x = 14,485.93/153.96
  6. Step 6: Final answer
    x = 94.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.