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Finding the Fourth Proportional to 532.18, 797.38 and 326.12

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Solution

The fourth proportional to 532.18, 797.38 and 326.12 is: 488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.18 : 797.38 = 326.12 : x
  2. Step 2: Convert to fraction form
    532.18/797.38 = 326.12/x
  3. Step 3: Cross multiply
    532.18x = 797.38 × 326.12
  4. Step 4: Simplify right side
    532.18x = 260,041.57
  5. Step 5: Solve for x
    x = 260,041.57/532.18
  6. Step 6: Final answer
    x = 488.63

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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.