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Finding the Fourth Proportional to 360.59, 497.97 and 321.93

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Solution

The fourth proportional to 360.59, 497.97 and 321.93 is: 444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.59 : 497.97 = 321.93 : x
  2. Step 2: Convert to fraction form
    360.59/497.97 = 321.93/x
  3. Step 3: Cross multiply
    360.59x = 497.97 × 321.93
  4. Step 4: Simplify right side
    360.59x = 160,311.48
  5. Step 5: Solve for x
    x = 160,311.48/360.59
  6. Step 6: Final answer
    x = 444.59

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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.