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Finding the Fourth Proportional to 247.05, 366.95 and 247.05

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Solution

The fourth proportional to 247.05, 366.95 and 247.05 is: 366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.05 : 366.95 = 247.05 : x
  2. Step 2: Convert to fraction form
    247.05/366.95 = 247.05/x
  3. Step 3: Cross multiply
    247.05x = 366.95 × 247.05
  4. Step 4: Simplify right side
    247.05x = 90,655.62
  5. Step 5: Solve for x
    x = 90,655.62/247.05
  6. Step 6: Final answer
    x = 366.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.