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Finding the Fourth Proportional to 599.74, 900.24 and 380.62

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Solution

The fourth proportional to 599.74, 900.24 and 380.62 is: 571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.74 : 900.24 = 380.62 : x
  2. Step 2: Convert to fraction form
    599.74/900.24 = 380.62/x
  3. Step 3: Cross multiply
    599.74x = 900.24 × 380.62
  4. Step 4: Simplify right side
    599.74x = 342,649.35
  5. Step 5: Solve for x
    x = 342,649.35/599.74
  6. Step 6: Final answer
    x = 571.33

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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.