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Finding the Fourth Proportional to 357.75, 535.68 and 235.44

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Solution

The fourth proportional to 357.75, 535.68 and 235.44 is: 352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.75 : 535.68 = 235.44 : x
  2. Step 2: Convert to fraction form
    357.75/535.68 = 235.44/x
  3. Step 3: Cross multiply
    357.75x = 535.68 × 235.44
  4. Step 4: Simplify right side
    357.75x = 126,120.50
  5. Step 5: Solve for x
    x = 126,120.50/357.75
  6. Step 6: Final answer
    x = 352.54

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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.