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Finding the Fourth Proportional to 598.21, 825.56 and 349.59

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Solution

The fourth proportional to 598.21, 825.56 and 349.59 is: 482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.21 : 825.56 = 349.59 : x
  2. Step 2: Convert to fraction form
    598.21/825.56 = 349.59/x
  3. Step 3: Cross multiply
    598.21x = 825.56 × 349.59
  4. Step 4: Simplify right side
    598.21x = 288,607.52
  5. Step 5: Solve for x
    x = 288,607.52/598.21
  6. Step 6: Final answer
    x = 482.45

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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.