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Finding the Fourth Proportional to 369.98, 554.98 and 224.72

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Solution

The fourth proportional to 369.98, 554.98 and 224.72 is: 337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.98 : 554.98 = 224.72 : x
  2. Step 2: Convert to fraction form
    369.98/554.98 = 224.72/x
  3. Step 3: Cross multiply
    369.98x = 554.98 × 224.72
  4. Step 4: Simplify right side
    369.98x = 124,715.11
  5. Step 5: Solve for x
    x = 124,715.11/369.98
  6. Step 6: Final answer
    x = 337.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.