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Finding the Fourth Proportional to 105.57, 158.33 and 37.10

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Solution

The fourth proportional to 105.57, 158.33 and 37.10 is: 55.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.57 : 158.33 = 37.10 : x
  2. Step 2: Convert to fraction form
    105.57/158.33 = 37.10/x
  3. Step 3: Cross multiply
    105.57x = 158.33 × 37.10
  4. Step 4: Simplify right side
    105.57x = 5,874.04
  5. Step 5: Solve for x
    x = 5,874.04/105.57
  6. Step 6: Final answer
    x = 55.64

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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.