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Finding the Fourth Proportional to 599.41, 898.84 and 321.98

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Solution

The fourth proportional to 599.41, 898.84 and 321.98 is: 482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.41 : 898.84 = 321.98 : x
  2. Step 2: Convert to fraction form
    599.41/898.84 = 321.98/x
  3. Step 3: Cross multiply
    599.41x = 898.84 × 321.98
  4. Step 4: Simplify right side
    599.41x = 289,406.89
  5. Step 5: Solve for x
    x = 289,406.89/599.41
  6. Step 6: Final answer
    x = 482.82

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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.