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Finding the Fourth Proportional to 272.05, 407.53 and 244.74

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Solution

The fourth proportional to 272.05, 407.53 and 244.74 is: 366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.05 : 407.53 = 244.74 : x
  2. Step 2: Convert to fraction form
    272.05/407.53 = 244.74/x
  3. Step 3: Cross multiply
    272.05x = 407.53 × 244.74
  4. Step 4: Simplify right side
    272.05x = 99,738.89
  5. Step 5: Solve for x
    x = 99,738.89/272.05
  6. Step 6: Final answer
    x = 366.62

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Why These Related Problems?

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