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Finding the Fourth Proportional to 908.07, 1,252.94 and 593.79

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Solution

The fourth proportional to 908.07, 1,252.94 and 593.79 is: 819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.07 : 1,252.94 = 593.79 : x
  2. Step 2: Convert to fraction form
    908.07/1,252.94 = 593.79/x
  3. Step 3: Cross multiply
    908.07x = 1,252.94 × 593.79
  4. Step 4: Simplify right side
    908.07x = 743,980.27
  5. Step 5: Solve for x
    x = 743,980.27/908.07
  6. Step 6: Final answer
    x = 819.30

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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.