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Finding the Fourth Proportional to 371.93, 554.99 and 369.90

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Solution

The fourth proportional to 371.93, 554.99 and 369.90 is: 551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.93 : 554.99 = 369.90 : x
  2. Step 2: Convert to fraction form
    371.93/554.99 = 369.90/x
  3. Step 3: Cross multiply
    371.93x = 554.99 × 369.90
  4. Step 4: Simplify right side
    371.93x = 205,288.95
  5. Step 5: Solve for x
    x = 205,288.95/371.93
  6. Step 6: Final answer
    x = 551.96

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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.