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Finding the Fourth Proportional to 369.74, 551.96 and 356.93

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Solution

The fourth proportional to 369.74, 551.96 and 356.93 is: 532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.74 : 551.96 = 356.93 : x
  2. Step 2: Convert to fraction form
    369.74/551.96 = 356.93/x
  3. Step 3: Cross multiply
    369.74x = 551.96 × 356.93
  4. Step 4: Simplify right side
    369.74x = 197,006.54
  5. Step 5: Solve for x
    x = 197,006.54/369.74
  6. Step 6: Final answer
    x = 532.83

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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.