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Finding the Fourth Proportional to 597.70, 825.02 and 349.12

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Solution

The fourth proportional to 597.70, 825.02 and 349.12 is: 481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.70 : 825.02 = 349.12 : x
  2. Step 2: Convert to fraction form
    597.70/825.02 = 349.12/x
  3. Step 3: Cross multiply
    597.70x = 825.02 × 349.12
  4. Step 4: Simplify right side
    597.70x = 288,030.98
  5. Step 5: Solve for x
    x = 288,030.98/597.70
  6. Step 6: Final answer
    x = 481.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.