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Finding the Fourth Proportional to 369.61, 554.61 and 335.44

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Solution

The fourth proportional to 369.61, 554.61 and 335.44 is: 503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.61 : 554.61 = 335.44 : x
  2. Step 2: Convert to fraction form
    369.61/554.61 = 335.44/x
  3. Step 3: Cross multiply
    369.61x = 554.61 × 335.44
  4. Step 4: Simplify right side
    369.61x = 186,038.38
  5. Step 5: Solve for x
    x = 186,038.38/369.61
  6. Step 6: Final answer
    x = 503.34

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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.