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Finding the Fourth Proportional to 597.78, 893.43 and 443.88

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Solution

The fourth proportional to 597.78, 893.43 and 443.88 is: 663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.78 : 893.43 = 443.88 : x
  2. Step 2: Convert to fraction form
    597.78/893.43 = 443.88/x
  3. Step 3: Cross multiply
    597.78x = 893.43 × 443.88
  4. Step 4: Simplify right side
    597.78x = 396,575.71
  5. Step 5: Solve for x
    x = 396,575.71/597.78
  6. Step 6: Final answer
    x = 663.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.