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Finding the Fourth Proportional to 589.88, 817.92 and 570.37

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Solution

The fourth proportional to 589.88, 817.92 and 570.37 is: 790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.88 : 817.92 = 570.37 : x
  2. Step 2: Convert to fraction form
    589.88/817.92 = 570.37/x
  3. Step 3: Cross multiply
    589.88x = 817.92 × 570.37
  4. Step 4: Simplify right side
    589.88x = 466,512.94
  5. Step 5: Solve for x
    x = 466,512.94/589.88
  6. Step 6: Final answer
    x = 790.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.