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Finding the Fourth Proportional to 1,066.44, 1,599.72 and 604.04

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Solution

The fourth proportional to 1,066.44, 1,599.72 and 604.04 is: 906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.44 : 1,599.72 = 604.04 : x
  2. Step 2: Convert to fraction form
    1,066.44/1,599.72 = 604.04/x
  3. Step 3: Cross multiply
    1,066.44x = 1,599.72 × 604.04
  4. Step 4: Simplify right side
    1,066.44x = 966,294.87
  5. Step 5: Solve for x
    x = 966,294.87/1,066.44
  6. Step 6: Final answer
    x = 906.09

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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.