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Finding the Fourth Proportional to 599.58, 899.46 and 209.46

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Solution

The fourth proportional to 599.58, 899.46 and 209.46 is: 314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.58 : 899.46 = 209.46 : x
  2. Step 2: Convert to fraction form
    599.58/899.46 = 209.46/x
  3. Step 3: Cross multiply
    599.58x = 899.46 × 209.46
  4. Step 4: Simplify right side
    599.58x = 188,400.89
  5. Step 5: Solve for x
    x = 188,400.89/599.58
  6. Step 6: Final answer
    x = 314.22

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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.