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Finding the Fourth Proportional to 355.03, 531.80 and 244.82

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Solution

The fourth proportional to 355.03, 531.80 and 244.82 is: 366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.03 : 531.80 = 244.82 : x
  2. Step 2: Convert to fraction form
    355.03/531.80 = 244.82/x
  3. Step 3: Cross multiply
    355.03x = 531.80 × 244.82
  4. Step 4: Simplify right side
    355.03x = 130,196.30
  5. Step 5: Solve for x
    x = 130,196.30/355.03
  6. Step 6: Final answer
    x = 366.72

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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.