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Finding the Fourth Proportional to 383.56, 574.18 and 332.26

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Solution

The fourth proportional to 383.56, 574.18 and 332.26 is: 497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.56 : 574.18 = 332.26 : x
  2. Step 2: Convert to fraction form
    383.56/574.18 = 332.26/x
  3. Step 3: Cross multiply
    383.56x = 574.18 × 332.26
  4. Step 4: Simplify right side
    383.56x = 190,777.05
  5. Step 5: Solve for x
    x = 190,777.05/383.56
  6. Step 6: Final answer
    x = 497.39

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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.