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Finding the Fourth Proportional to 598.60, 897.92 and 213.86

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Solution

The fourth proportional to 598.60, 897.92 and 213.86 is: 320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.60 : 897.92 = 213.86 : x
  2. Step 2: Convert to fraction form
    598.60/897.92 = 213.86/x
  3. Step 3: Cross multiply
    598.60x = 897.92 × 213.86
  4. Step 4: Simplify right side
    598.60x = 192,029.17
  5. Step 5: Solve for x
    x = 192,029.17/598.60
  6. Step 6: Final answer
    x = 320.80

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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.