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Finding the Fourth Proportional to 383.60, 575.22 and 237.44

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Solution

The fourth proportional to 383.60, 575.22 and 237.44 is: 356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.60 : 575.22 = 237.44 : x
  2. Step 2: Convert to fraction form
    383.60/575.22 = 237.44/x
  3. Step 3: Cross multiply
    383.60x = 575.22 × 237.44
  4. Step 4: Simplify right side
    383.60x = 136,580.24
  5. Step 5: Solve for x
    x = 136,580.24/383.60
  6. Step 6: Final answer
    x = 356.05

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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.