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Finding the Fourth Proportional to 295.54, 407.82 and 185.05

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Solution

The fourth proportional to 295.54, 407.82 and 185.05 is: 255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.54 : 407.82 = 185.05 : x
  2. Step 2: Convert to fraction form
    295.54/407.82 = 185.05/x
  3. Step 3: Cross multiply
    295.54x = 407.82 × 185.05
  4. Step 4: Simplify right side
    295.54x = 75,467.09
  5. Step 5: Solve for x
    x = 75,467.09/295.54
  6. Step 6: Final answer
    x = 255.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.