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Finding the Fourth Proportional to 1,062.89, 1,593.95 and 369.38

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Solution

The fourth proportional to 1,062.89, 1,593.95 and 369.38 is: 553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.89 : 1,593.95 = 369.38 : x
  2. Step 2: Convert to fraction form
    1,062.89/1,593.95 = 369.38/x
  3. Step 3: Cross multiply
    1,062.89x = 1,593.95 × 369.38
  4. Step 4: Simplify right side
    1,062.89x = 588,763.43
  5. Step 5: Solve for x
    x = 588,763.43/1,062.89
  6. Step 6: Final answer
    x = 553.93

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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.