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Finding the Fourth Proportional to 1,091.33, 1,506.06 and 593.99

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Solution

The fourth proportional to 1,091.33, 1,506.06 and 593.99 is: 819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.33 : 1,506.06 = 593.99 : x
  2. Step 2: Convert to fraction form
    1,091.33/1,506.06 = 593.99/x
  3. Step 3: Cross multiply
    1,091.33x = 1,506.06 × 593.99
  4. Step 4: Simplify right side
    1,091.33x = 894,574.08
  5. Step 5: Solve for x
    x = 894,574.08/1,091.33
  6. Step 6: Final answer
    x = 819.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.