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Finding the Fourth Proportional to 927.03, 1,279.15 and 595.39

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Solution

The fourth proportional to 927.03, 1,279.15 and 595.39 is: 821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.03 : 1,279.15 = 595.39 : x
  2. Step 2: Convert to fraction form
    927.03/1,279.15 = 595.39/x
  3. Step 3: Cross multiply
    927.03x = 1,279.15 × 595.39
  4. Step 4: Simplify right side
    927.03x = 761,593.12
  5. Step 5: Solve for x
    x = 761,593.12/927.03
  6. Step 6: Final answer
    x = 821.54

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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.