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Finding the Fourth Proportional to 825.99, 1,237.36 and 362.67

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Solution

The fourth proportional to 825.99, 1,237.36 and 362.67 is: 543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    825.99 : 1,237.36 = 362.67 : x
  2. Step 2: Convert to fraction form
    825.99/1,237.36 = 362.67/x
  3. Step 3: Cross multiply
    825.99x = 1,237.36 × 362.67
  4. Step 4: Simplify right side
    825.99x = 448,753.35
  5. Step 5: Solve for x
    x = 448,753.35/825.99
  6. Step 6: Final answer
    x = 543.29

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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.