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Finding the Fourth Proportional to 637.94, 879.72 and 594.26

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Solution

The fourth proportional to 637.94, 879.72 and 594.26 is: 819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.94 : 879.72 = 594.26 : x
  2. Step 2: Convert to fraction form
    637.94/879.72 = 594.26/x
  3. Step 3: Cross multiply
    637.94x = 879.72 × 594.26
  4. Step 4: Simplify right side
    637.94x = 522,782.41
  5. Step 5: Solve for x
    x = 522,782.41/637.94
  6. Step 6: Final answer
    x = 819.49

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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.