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Finding the Fourth Proportional to 531.80, 796.67 and 348.63

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Solution

The fourth proportional to 531.80, 796.67 and 348.63 is: 522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.80 : 796.67 = 348.63 : x
  2. Step 2: Convert to fraction form
    531.80/796.67 = 348.63/x
  3. Step 3: Cross multiply
    531.80x = 796.67 × 348.63
  4. Step 4: Simplify right side
    531.80x = 277,741.32
  5. Step 5: Solve for x
    x = 277,741.32/531.80
  6. Step 6: Final answer
    x = 522.27

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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.