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Finding the Fourth Proportional to 246.84, 368.39 and 219.51

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Solution

The fourth proportional to 246.84, 368.39 and 219.51 is: 327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.84 : 368.39 = 219.51 : x
  2. Step 2: Convert to fraction form
    246.84/368.39 = 219.51/x
  3. Step 3: Cross multiply
    246.84x = 368.39 × 219.51
  4. Step 4: Simplify right side
    246.84x = 80,862.35
  5. Step 5: Solve for x
    x = 80,862.35/246.84
  6. Step 6: Final answer
    x = 327.59

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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.