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Finding the Fourth Proportional to 592.06, 815.38 and 579.30

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Solution

The fourth proportional to 592.06, 815.38 and 579.30 is: 797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.06 : 815.38 = 579.30 : x
  2. Step 2: Convert to fraction form
    592.06/815.38 = 579.30/x
  3. Step 3: Cross multiply
    592.06x = 815.38 × 579.30
  4. Step 4: Simplify right side
    592.06x = 472,349.63
  5. Step 5: Solve for x
    x = 472,349.63/592.06
  6. Step 6: Final answer
    x = 797.81

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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.