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Finding the Fourth Proportional to 383.04, 528.46 and 235.44

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Solution

The fourth proportional to 383.04, 528.46 and 235.44 is: 324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.04 : 528.46 = 235.44 : x
  2. Step 2: Convert to fraction form
    383.04/528.46 = 235.44/x
  3. Step 3: Cross multiply
    383.04x = 528.46 × 235.44
  4. Step 4: Simplify right side
    383.04x = 124,420.62
  5. Step 5: Solve for x
    x = 124,420.62/383.04
  6. Step 6: Final answer
    x = 324.82

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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.