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Finding the Fourth Proportional to 247.21, 341.17 and 184.93

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Solution

The fourth proportional to 247.21, 341.17 and 184.93 is: 255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.21 : 341.17 = 184.93 : x
  2. Step 2: Convert to fraction form
    247.21/341.17 = 184.93/x
  3. Step 3: Cross multiply
    247.21x = 341.17 × 184.93
  4. Step 4: Simplify right side
    247.21x = 63,089.94
  5. Step 5: Solve for x
    x = 63,089.94/247.21
  6. Step 6: Final answer
    x = 255.21

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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.