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Finding the Fourth Proportional to 155.04, 232.60 and 94.56

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Solution

The fourth proportional to 155.04, 232.60 and 94.56 is: 141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.04 : 232.60 = 94.56 : x
  2. Step 2: Convert to fraction form
    155.04/232.60 = 94.56/x
  3. Step 3: Cross multiply
    155.04x = 232.60 × 94.56
  4. Step 4: Simplify right side
    155.04x = 21,994.66
  5. Step 5: Solve for x
    x = 21,994.66/155.04
  6. Step 6: Final answer
    x = 141.86

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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.