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Finding the Fourth Proportional to 295.74, 443.70 and 122.34

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Solution

The fourth proportional to 295.74, 443.70 and 122.34 is: 183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.74 : 443.70 = 122.34 : x
  2. Step 2: Convert to fraction form
    295.74/443.70 = 122.34/x
  3. Step 3: Cross multiply
    295.74x = 443.70 × 122.34
  4. Step 4: Simplify right side
    295.74x = 54,282.26
  5. Step 5: Solve for x
    x = 54,282.26/295.74
  6. Step 6: Final answer
    x = 183.55

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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.