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Finding the Fourth Proportional to 529.96, 796.06 and 347.56

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Solution

The fourth proportional to 529.96, 796.06 and 347.56 is: 522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.96 : 796.06 = 347.56 : x
  2. Step 2: Convert to fraction form
    529.96/796.06 = 347.56/x
  3. Step 3: Cross multiply
    529.96x = 796.06 × 347.56
  4. Step 4: Simplify right side
    529.96x = 276,678.61
  5. Step 5: Solve for x
    x = 276,678.61/529.96
  6. Step 6: Final answer
    x = 522.07

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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.