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Finding the Fourth Proportional to 153.89, 230.80 and 92.94

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Solution

The fourth proportional to 153.89, 230.80 and 92.94 is: 139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.89 : 230.80 = 92.94 : x
  2. Step 2: Convert to fraction form
    153.89/230.80 = 92.94/x
  3. Step 3: Cross multiply
    153.89x = 230.80 × 92.94
  4. Step 4: Simplify right side
    153.89x = 21,450.55
  5. Step 5: Solve for x
    x = 21,450.55/153.89
  6. Step 6: Final answer
    x = 139.39

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