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Finding the Fourth Proportional to 554.33, 829.87 and 336.44

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Solution

The fourth proportional to 554.33, 829.87 and 336.44 is: 503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.33 : 829.87 = 336.44 : x
  2. Step 2: Convert to fraction form
    554.33/829.87 = 336.44/x
  3. Step 3: Cross multiply
    554.33x = 829.87 × 336.44
  4. Step 4: Simplify right side
    554.33x = 279,195.84
  5. Step 5: Solve for x
    x = 279,195.84/554.33
  6. Step 6: Final answer
    x = 503.67

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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.