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Finding the Fourth Proportional to 595.49, 893.40 and 321.77

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Solution

The fourth proportional to 595.49, 893.40 and 321.77 is: 482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.49 : 893.40 = 321.77 : x
  2. Step 2: Convert to fraction form
    595.49/893.40 = 321.77/x
  3. Step 3: Cross multiply
    595.49x = 893.40 × 321.77
  4. Step 4: Simplify right side
    595.49x = 287,470.34
  5. Step 5: Solve for x
    x = 287,470.34/595.49
  6. Step 6: Final answer
    x = 482.75

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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.