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Finding the Fourth Proportional to 595.44, 893.54 and 321.72

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Solution

The fourth proportional to 595.44, 893.54 and 321.72 is: 482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.44 : 893.54 = 321.72 : x
  2. Step 2: Convert to fraction form
    595.44/893.54 = 321.72/x
  3. Step 3: Cross multiply
    595.44x = 893.54 × 321.72
  4. Step 4: Simplify right side
    595.44x = 287,468.08
  5. Step 5: Solve for x
    x = 287,468.08/595.44
  6. Step 6: Final answer
    x = 482.78

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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.