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Finding the Fourth Proportional to 598.45, 898.01 and 324.69

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Solution

The fourth proportional to 598.45, 898.01 and 324.69 is: 487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.45 : 898.01 = 324.69 : x
  2. Step 2: Convert to fraction form
    598.45/898.01 = 324.69/x
  3. Step 3: Cross multiply
    598.45x = 898.01 × 324.69
  4. Step 4: Simplify right side
    598.45x = 291,574.87
  5. Step 5: Solve for x
    x = 291,574.87/598.45
  6. Step 6: Final answer
    x = 487.22

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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.