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Finding the Fourth Proportional to 295.16, 442.38 and 150.80

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Solution

The fourth proportional to 295.16, 442.38 and 150.80 is: 226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.16 : 442.38 = 150.80 : x
  2. Step 2: Convert to fraction form
    295.16/442.38 = 150.80/x
  3. Step 3: Cross multiply
    295.16x = 442.38 × 150.80
  4. Step 4: Simplify right side
    295.16x = 66,710.90
  5. Step 5: Solve for x
    x = 66,710.90/295.16
  6. Step 6: Final answer
    x = 226.02

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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.