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Finding the Fourth Proportional to 598.69, 897.60 and 403.21

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Solution

The fourth proportional to 598.69, 897.60 and 403.21 is: 604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.69 : 897.60 = 403.21 : x
  2. Step 2: Convert to fraction form
    598.69/897.60 = 403.21/x
  3. Step 3: Cross multiply
    598.69x = 897.60 × 403.21
  4. Step 4: Simplify right side
    598.69x = 361,919.05
  5. Step 5: Solve for x
    x = 361,919.05/598.69
  6. Step 6: Final answer
    x = 604.52

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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.