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Finding the Fourth Proportional to 531.79, 796.60 and 242.35

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Solution

The fourth proportional to 531.79, 796.60 and 242.35 is: 363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.79 : 796.60 = 242.35 : x
  2. Step 2: Convert to fraction form
    531.79/796.60 = 242.35/x
  3. Step 3: Cross multiply
    531.79x = 796.60 × 242.35
  4. Step 4: Simplify right side
    531.79x = 193,050.82
  5. Step 5: Solve for x
    x = 193,050.82/531.79
  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.