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Finding the Fourth Proportional to 368.40, 551.19 and 246.09

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Solution

The fourth proportional to 368.40, 551.19 and 246.09 is: 368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.40 : 551.19 = 246.09 : x
  2. Step 2: Convert to fraction form
    368.40/551.19 = 246.09/x
  3. Step 3: Cross multiply
    368.40x = 551.19 × 246.09
  4. Step 4: Simplify right side
    368.40x = 135,642.35
  5. Step 5: Solve for x
    x = 135,642.35/368.40
  6. Step 6: Final answer
    x = 368.19

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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.