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Finding the Fourth Proportional to 369.06, 551.54 and 246.30

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Solution

The fourth proportional to 369.06, 551.54 and 246.30 is: 368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.06 : 551.54 = 246.30 : x
  2. Step 2: Convert to fraction form
    369.06/551.54 = 246.30/x
  3. Step 3: Cross multiply
    369.06x = 551.54 × 246.30
  4. Step 4: Simplify right side
    369.06x = 135,843.07
  5. Step 5: Solve for x
    x = 135,843.07/369.06
  6. Step 6: Final answer
    x = 368.08

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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.