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Finding the Fourth Proportional to 595.89, 892.22 and 389.95

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Solution

The fourth proportional to 595.89, 892.22 and 389.95 is: 583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.89 : 892.22 = 389.95 : x
  2. Step 2: Convert to fraction form
    595.89/892.22 = 389.95/x
  3. Step 3: Cross multiply
    595.89x = 892.22 × 389.95
  4. Step 4: Simplify right side
    595.89x = 347,917.01
  5. Step 5: Solve for x
    x = 347,917.01/595.89
  6. Step 6: Final answer
    x = 583.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.