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Finding the Fourth Proportional to 593.75, 819.36 and 328.19

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Solution

The fourth proportional to 593.75, 819.36 and 328.19 is: 452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.75 : 819.36 = 328.19 : x
  2. Step 2: Convert to fraction form
    593.75/819.36 = 328.19/x
  3. Step 3: Cross multiply
    593.75x = 819.36 × 328.19
  4. Step 4: Simplify right side
    593.75x = 268,907.81
  5. Step 5: Solve for x
    x = 268,907.81/593.75
  6. Step 6: Final answer
    x = 452.90

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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.