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Finding the Fourth Proportional to 295.18, 442.98 and 151

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Solution

The fourth proportional to 295.18, 442.98 and 151 is: 226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.18 : 442.98 = 151 : x
  2. Step 2: Convert to fraction form
    295.18/442.98 = 151/x
  3. Step 3: Cross multiply
    295.18x = 442.98 × 151
  4. Step 4: Simplify right side
    295.18x = 66,889.98
  5. Step 5: Solve for x
    x = 66,889.98/295.18
  6. Step 6: Final answer
    x = 226.61

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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.