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Finding the Fourth Proportional to 599.80, 898.26 and 406.84

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Solution

The fourth proportional to 599.80, 898.26 and 406.84 is: 609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.80 : 898.26 = 406.84 : x
  2. Step 2: Convert to fraction form
    599.80/898.26 = 406.84/x
  3. Step 3: Cross multiply
    599.80x = 898.26 × 406.84
  4. Step 4: Simplify right side
    599.80x = 365,448.10
  5. Step 5: Solve for x
    x = 365,448.10/599.80
  6. Step 6: Final answer
    x = 609.28

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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.