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Finding the Fourth Proportional to 369.56, 551.07 and 348.00

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Solution

The fourth proportional to 369.56, 551.07 and 348.00 is: 518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.56 : 551.07 = 348.00 : x
  2. Step 2: Convert to fraction form
    369.56/551.07 = 348.00/x
  3. Step 3: Cross multiply
    369.56x = 551.07 × 348.00
  4. Step 4: Simplify right side
    369.56x = 191,770.29
  5. Step 5: Solve for x
    x = 191,770.29/369.56
  6. Step 6: Final answer
    x = 518.91

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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.