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Finding the Fourth Proportional to 1,336.66, 2,004.91 and 362.69

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Solution

The fourth proportional to 1,336.66, 2,004.91 and 362.69 is: 544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.66 : 2,004.91 = 362.69 : x
  2. Step 2: Convert to fraction form
    1,336.66/2,004.91 = 362.69/x
  3. Step 3: Cross multiply
    1,336.66x = 2,004.91 × 362.69
  4. Step 4: Simplify right side
    1,336.66x = 727,160.81
  5. Step 5: Solve for x
    x = 727,160.81/1,336.66
  6. Step 6: Final answer
    x = 544.01

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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.