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Finding the Fourth Proportional to 598.58, 897.89 and 213.83

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Solution

The fourth proportional to 598.58, 897.89 and 213.83 is: 320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.58 : 897.89 = 213.83 : x
  2. Step 2: Convert to fraction form
    598.58/897.89 = 213.83/x
  3. Step 3: Cross multiply
    598.58x = 897.89 × 213.83
  4. Step 4: Simplify right side
    598.58x = 191,990.26
  5. Step 5: Solve for x
    x = 191,990.26/598.58
  6. Step 6: Final answer
    x = 320.75

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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.