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Finding the Fourth Proportional to 385.85, 579.59 and 241.67

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Solution

The fourth proportional to 385.85, 579.59 and 241.67 is: 363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.85 : 579.59 = 241.67 : x
  2. Step 2: Convert to fraction form
    385.85/579.59 = 241.67/x
  3. Step 3: Cross multiply
    385.85x = 579.59 × 241.67
  4. Step 4: Simplify right side
    385.85x = 140,070.66
  5. Step 5: Solve for x
    x = 140,070.66/385.85
  6. Step 6: Final answer
    x = 363.02

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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.