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Finding the Fourth Proportional to 532.50, 797.19 and 326.43

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Solution

The fourth proportional to 532.50, 797.19 and 326.43 is: 488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.50 : 797.19 = 326.43 : x
  2. Step 2: Convert to fraction form
    532.50/797.19 = 326.43/x
  3. Step 3: Cross multiply
    532.50x = 797.19 × 326.43
  4. Step 4: Simplify right side
    532.50x = 260,226.73
  5. Step 5: Solve for x
    x = 260,226.73/532.50
  6. Step 6: Final answer
    x = 488.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.