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Finding the Fourth Proportional to 295.32, 442.61 and 158.16

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Solution

The fourth proportional to 295.32, 442.61 and 158.16 is: 237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.32 : 442.61 = 158.16 : x
  2. Step 2: Convert to fraction form
    295.32/442.61 = 158.16/x
  3. Step 3: Cross multiply
    295.32x = 442.61 × 158.16
  4. Step 4: Simplify right side
    295.32x = 70,003.20
  5. Step 5: Solve for x
    x = 70,003.20/295.32
  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.