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Finding the Fourth Proportional to 294.06, 405.66 and 181.98

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Solution

The fourth proportional to 294.06, 405.66 and 181.98 is: 251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.06 : 405.66 = 181.98 : x
  2. Step 2: Convert to fraction form
    294.06/405.66 = 181.98/x
  3. Step 3: Cross multiply
    294.06x = 405.66 × 181.98
  4. Step 4: Simplify right side
    294.06x = 73,822.01
  5. Step 5: Solve for x
    x = 73,822.01/294.06
  6. Step 6: Final answer
    x = 251.04

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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.