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Finding the Fourth Proportional to 292.23, 403.29 and 181.62

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Solution

The fourth proportional to 292.23, 403.29 and 181.62 is: 250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.23 : 403.29 = 181.62 : x
  2. Step 2: Convert to fraction form
    292.23/403.29 = 181.62/x
  3. Step 3: Cross multiply
    292.23x = 403.29 × 181.62
  4. Step 4: Simplify right side
    292.23x = 73,245.53
  5. Step 5: Solve for x
    x = 73,245.53/292.23
  6. Step 6: Final answer
    x = 250.64

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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.