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Finding the Fourth Proportional to 363.48, 501.60 and 197.69

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Solution

The fourth proportional to 363.48, 501.60 and 197.69 is: 272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.48 : 501.60 = 197.69 : x
  2. Step 2: Convert to fraction form
    363.48/501.60 = 197.69/x
  3. Step 3: Cross multiply
    363.48x = 501.60 × 197.69
  4. Step 4: Simplify right side
    363.48x = 99,161.30
  5. Step 5: Solve for x
    x = 99,161.30/363.48
  6. Step 6: Final answer
    x = 272.81

Related Problems

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.