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Finding the Fourth Proportional to 370.85, 551.75 and 351.41

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Solution

The fourth proportional to 370.85, 551.75 and 351.41 is: 522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.85 : 551.75 = 351.41 : x
  2. Step 2: Convert to fraction form
    370.85/551.75 = 351.41/x
  3. Step 3: Cross multiply
    370.85x = 551.75 × 351.41
  4. Step 4: Simplify right side
    370.85x = 193,885.95
  5. Step 5: Solve for x
    x = 193,885.95/370.85
  6. Step 6: Final answer
    x = 522.82

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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.