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Finding the Fourth Proportional to 262.86, 394.08 and 181.46

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Solution

The fourth proportional to 262.86, 394.08 and 181.46 is: 272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.86 : 394.08 = 181.46 : x
  2. Step 2: Convert to fraction form
    262.86/394.08 = 181.46/x
  3. Step 3: Cross multiply
    262.86x = 394.08 × 181.46
  4. Step 4: Simplify right side
    262.86x = 71,509.76
  5. Step 5: Solve for x
    x = 71,509.76/262.86
  6. Step 6: Final answer
    x = 272.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.