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Finding the Fourth Proportional to 293.94, 405.62 and 181.95

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Solution

The fourth proportional to 293.94, 405.62 and 181.95 is: 251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.94 : 405.62 = 181.95 : x
  2. Step 2: Convert to fraction form
    293.94/405.62 = 181.95/x
  3. Step 3: Cross multiply
    293.94x = 405.62 × 181.95
  4. Step 4: Simplify right side
    293.94x = 73,802.56
  5. Step 5: Solve for x
    x = 73,802.56/293.94
  6. Step 6: Final answer
    x = 251.08

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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.