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Finding the Fourth Proportional to 531.34, 796.28 and 238.93

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Solution

The fourth proportional to 531.34, 796.28 and 238.93 is: 358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.34 : 796.28 = 238.93 : x
  2. Step 2: Convert to fraction form
    531.34/796.28 = 238.93/x
  3. Step 3: Cross multiply
    531.34x = 796.28 × 238.93
  4. Step 4: Simplify right side
    531.34x = 190,253.79
  5. Step 5: Solve for x
    x = 190,253.79/531.34
  6. Step 6: Final answer
    x = 358.07

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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.