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Finding the Fourth Proportional to 1,334.48, 2,001.67 and 360.61

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Solution

The fourth proportional to 1,334.48, 2,001.67 and 360.61 is: 540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.48 : 2,001.67 = 360.61 : x
  2. Step 2: Convert to fraction form
    1,334.48/2,001.67 = 360.61/x
  3. Step 3: Cross multiply
    1,334.48x = 2,001.67 × 360.61
  4. Step 4: Simplify right side
    1,334.48x = 721,810.41
  5. Step 5: Solve for x
    x = 721,810.41/1,334.48
  6. Step 6: Final answer
    x = 540.89

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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.