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Finding the Fourth Proportional to 598.79, 898.39 and 269.69

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Solution

The fourth proportional to 598.79, 898.39 and 269.69 is: 404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.79 : 898.39 = 269.69 : x
  2. Step 2: Convert to fraction form
    598.79/898.39 = 269.69/x
  3. Step 3: Cross multiply
    598.79x = 898.39 × 269.69
  4. Step 4: Simplify right side
    598.79x = 242,288.37
  5. Step 5: Solve for x
    x = 242,288.37/598.79
  6. Step 6: Final answer
    x = 404.63

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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.