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Finding the Fourth Proportional to 247.56, 373.04 and 205.17

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Solution

The fourth proportional to 247.56, 373.04 and 205.17 is: 309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.56 : 373.04 = 205.17 : x
  2. Step 2: Convert to fraction form
    247.56/373.04 = 205.17/x
  3. Step 3: Cross multiply
    247.56x = 373.04 × 205.17
  4. Step 4: Simplify right side
    247.56x = 76,536.99
  5. Step 5: Solve for x
    x = 76,536.99/247.56
  6. Step 6: Final answer
    x = 309.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.