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Finding the Fourth Proportional to 240.89, 332.55 and 181.91

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Solution

The fourth proportional to 240.89, 332.55 and 181.91 is: 251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.89 : 332.55 = 181.91 : x
  2. Step 2: Convert to fraction form
    240.89/332.55 = 181.91/x
  3. Step 3: Cross multiply
    240.89x = 332.55 × 181.91
  4. Step 4: Simplify right side
    240.89x = 60,491.60
  5. Step 5: Solve for x
    x = 60,491.60/240.89
  6. Step 6: Final answer
    x = 251.12

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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.