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Finding the Fourth Proportional to 1,103.01, 1,654.44 and 362.62

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Solution

The fourth proportional to 1,103.01, 1,654.44 and 362.62 is: 543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.01 : 1,654.44 = 362.62 : x
  2. Step 2: Convert to fraction form
    1,103.01/1,654.44 = 362.62/x
  3. Step 3: Cross multiply
    1,103.01x = 1,654.44 × 362.62
  4. Step 4: Simplify right side
    1,103.01x = 599,933.03
  5. Step 5: Solve for x
    x = 599,933.03/1,103.01
  6. Step 6: Final answer
    x = 543.91

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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.