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Finding the Fourth Proportional to 397.14, 593.33 and 383.50

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Solution

The fourth proportional to 397.14, 593.33 and 383.50 is: 572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.14 : 593.33 = 383.50 : x
  2. Step 2: Convert to fraction form
    397.14/593.33 = 383.50/x
  3. Step 3: Cross multiply
    397.14x = 593.33 × 383.50
  4. Step 4: Simplify right side
    397.14x = 227,542.06
  5. Step 5: Solve for x
    x = 227,542.06/397.14
  6. Step 6: Final answer
    x = 572.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.