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Finding the Fourth Proportional to 372.69, 554.58 and 359.73

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Solution

The fourth proportional to 372.69, 554.58 and 359.73 is: 535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.69 : 554.58 = 359.73 : x
  2. Step 2: Convert to fraction form
    372.69/554.58 = 359.73/x
  3. Step 3: Cross multiply
    372.69x = 554.58 × 359.73
  4. Step 4: Simplify right side
    372.69x = 199,499.06
  5. Step 5: Solve for x
    x = 199,499.06/372.69
  6. Step 6: Final answer
    x = 535.29

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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.