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Finding the Fourth Proportional to 369.58, 551.48 and 336.83

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Solution

The fourth proportional to 369.58, 551.48 and 336.83 is: 502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.58 : 551.48 = 336.83 : x
  2. Step 2: Convert to fraction form
    369.58/551.48 = 336.83/x
  3. Step 3: Cross multiply
    369.58x = 551.48 × 336.83
  4. Step 4: Simplify right side
    369.58x = 185,755.01
  5. Step 5: Solve for x
    x = 185,755.01/369.58
  6. Step 6: Final answer
    x = 502.62

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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.