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Finding the Fourth Proportional to 531.17, 796.65 and 242.54

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Solution

The fourth proportional to 531.17, 796.65 and 242.54 is: 363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.17 : 796.65 = 242.54 : x
  2. Step 2: Convert to fraction form
    531.17/796.65 = 242.54/x
  3. Step 3: Cross multiply
    531.17x = 796.65 × 242.54
  4. Step 4: Simplify right side
    531.17x = 193,219.49
  5. Step 5: Solve for x
    x = 193,219.49/531.17
  6. Step 6: Final answer
    x = 363.76

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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.