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Finding the Fourth Proportional to 440.39, 599.59 and 439.02

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Solution

The fourth proportional to 440.39, 599.59 and 439.02 is: 597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.39 : 599.59 = 439.02 : x
  2. Step 2: Convert to fraction form
    440.39/599.59 = 439.02/x
  3. Step 3: Cross multiply
    440.39x = 599.59 × 439.02
  4. Step 4: Simplify right side
    440.39x = 263,232.00
  5. Step 5: Solve for x
    x = 263,232.00/440.39
  6. Step 6: Final answer
    x = 597.72

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.