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Finding the Fourth Proportional to 598.68, 898.17 and 213.93

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Solution

The fourth proportional to 598.68, 898.17 and 213.93 is: 320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.68 : 898.17 = 213.93 : x
  2. Step 2: Convert to fraction form
    598.68/898.17 = 213.93/x
  3. Step 3: Cross multiply
    598.68x = 898.17 × 213.93
  4. Step 4: Simplify right side
    598.68x = 192,145.51
  5. Step 5: Solve for x
    x = 192,145.51/598.68
  6. Step 6: Final answer
    x = 320.95

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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.