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Finding the Fourth Proportional to 1,336.77, 2,004.80 and 362.93

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Solution

The fourth proportional to 1,336.77, 2,004.80 and 362.93 is: 544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.77 : 2,004.80 = 362.93 : x
  2. Step 2: Convert to fraction form
    1,336.77/2,004.80 = 362.93/x
  3. Step 3: Cross multiply
    1,336.77x = 2,004.80 × 362.93
  4. Step 4: Simplify right side
    1,336.77x = 727,590.23
  5. Step 5: Solve for x
    x = 727,590.23/1,336.77
  6. Step 6: Final answer
    x = 544.29

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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.