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Finding the Fourth Proportional to 295.34, 442.40 and 150.75

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Solution

The fourth proportional to 295.34, 442.40 and 150.75 is: 225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.34 : 442.40 = 150.75 : x
  2. Step 2: Convert to fraction form
    295.34/442.40 = 150.75/x
  3. Step 3: Cross multiply
    295.34x = 442.40 × 150.75
  4. Step 4: Simplify right side
    295.34x = 66,691.05
  5. Step 5: Solve for x
    x = 66,691.05/295.34
  6. Step 6: Final answer
    x = 225.81

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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.