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Finding the Fourth Proportional to 1,066.04, 1,599.08 and 335.61

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Solution

The fourth proportional to 1,066.04, 1,599.08 and 335.61 is: 503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.04 : 1,599.08 = 335.61 : x
  2. Step 2: Convert to fraction form
    1,066.04/1,599.08 = 335.61/x
  3. Step 3: Cross multiply
    1,066.04x = 1,599.08 × 335.61
  4. Step 4: Simplify right side
    1,066.04x = 536,665.56
  5. Step 5: Solve for x
    x = 536,665.56/1,066.04
  6. Step 6: Final answer
    x = 503.42

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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.