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Finding the Fourth Proportional to 432.34, 597.38 and 408.44

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Solution

The fourth proportional to 432.34, 597.38 and 408.44 is: 564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.34 : 597.38 = 408.44 : x
  2. Step 2: Convert to fraction form
    432.34/597.38 = 408.44/x
  3. Step 3: Cross multiply
    432.34x = 597.38 × 408.44
  4. Step 4: Simplify right side
    432.34x = 243,993.34
  5. Step 5: Solve for x
    x = 243,993.34/432.34
  6. Step 6: Final answer
    x = 564.36

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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.