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Finding the Fourth Proportional to 295.35, 442.56 and 158.19

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Solution

The fourth proportional to 295.35, 442.56 and 158.19 is: 237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.35 : 442.56 = 158.19 : x
  2. Step 2: Convert to fraction form
    295.35/442.56 = 158.19/x
  3. Step 3: Cross multiply
    295.35x = 442.56 × 158.19
  4. Step 4: Simplify right side
    295.35x = 70,008.57
  5. Step 5: Solve for x
    x = 70,008.57/295.35
  6. Step 6: Final answer
    x = 237.04

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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.