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Finding the Fourth Proportional to 1,102.87, 1,654.44 and 372.97

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Solution

The fourth proportional to 1,102.87, 1,654.44 and 372.97 is: 559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.87 : 1,654.44 = 372.97 : x
  2. Step 2: Convert to fraction form
    1,102.87/1,654.44 = 372.97/x
  3. Step 3: Cross multiply
    1,102.87x = 1,654.44 × 372.97
  4. Step 4: Simplify right side
    1,102.87x = 617,056.49
  5. Step 5: Solve for x
    x = 617,056.49/1,102.87
  6. Step 6: Final answer
    x = 559.50

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Double scale
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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.