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Finding the Fourth Proportional to 532.98, 733.38 and 408.60

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Solution

The fourth proportional to 532.98, 733.38 and 408.60 is: 562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.98 : 733.38 = 408.60 : x
  2. Step 2: Convert to fraction form
    532.98/733.38 = 408.60/x
  3. Step 3: Cross multiply
    532.98x = 733.38 × 408.60
  4. Step 4: Simplify right side
    532.98x = 299,656.93
  5. Step 5: Solve for x
    x = 299,656.93/532.98
  6. Step 6: Final answer
    x = 562.23

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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.