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Finding the Fourth Proportional to 598.29, 825.70 and 349.69

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Solution

The fourth proportional to 598.29, 825.70 and 349.69 is: 482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.29 : 825.70 = 349.69 : x
  2. Step 2: Convert to fraction form
    598.29/825.70 = 349.69/x
  3. Step 3: Cross multiply
    598.29x = 825.70 × 349.69
  4. Step 4: Simplify right side
    598.29x = 288,737.28
  5. Step 5: Solve for x
    x = 288,737.28/598.29
  6. Step 6: Final answer
    x = 482.60

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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.