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Finding the Fourth Proportional to 599.05, 898.71 and 442.99

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Solution

The fourth proportional to 599.05, 898.71 and 442.99 is: 664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.05 : 898.71 = 442.99 : x
  2. Step 2: Convert to fraction form
    599.05/898.71 = 442.99/x
  3. Step 3: Cross multiply
    599.05x = 898.71 × 442.99
  4. Step 4: Simplify right side
    599.05x = 398,119.54
  5. Step 5: Solve for x
    x = 398,119.54/599.05
  6. Step 6: Final answer
    x = 664.58

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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.