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Finding the Fourth Proportional to 1,336.59, 2,004.73 and 362.61

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Solution

The fourth proportional to 1,336.59, 2,004.73 and 362.61 is: 543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.59 : 2,004.73 = 362.61 : x
  2. Step 2: Convert to fraction form
    1,336.59/2,004.73 = 362.61/x
  3. Step 3: Cross multiply
    1,336.59x = 2,004.73 × 362.61
  4. Step 4: Simplify right side
    1,336.59x = 726,941.76
  5. Step 5: Solve for x
    x = 726,941.76/1,336.59
  6. Step 6: Final answer
    x = 543.88

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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.