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Finding the Fourth Proportional to 118.41, 176.56 and 104.02

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Solution

The fourth proportional to 118.41, 176.56 and 104.02 is: 155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.41 : 176.56 = 104.02 : x
  2. Step 2: Convert to fraction form
    118.41/176.56 = 104.02/x
  3. Step 3: Cross multiply
    118.41x = 176.56 × 104.02
  4. Step 4: Simplify right side
    118.41x = 18,365.77
  5. Step 5: Solve for x
    x = 18,365.77/118.41
  6. Step 6: Final answer
    x = 155.10

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.