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Finding the Fourth Proportional to 529.03, 793.95 and 346.78

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Solution

The fourth proportional to 529.03, 793.95 and 346.78 is: 520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.03 : 793.95 = 346.78 : x
  2. Step 2: Convert to fraction form
    529.03/793.95 = 346.78/x
  3. Step 3: Cross multiply
    529.03x = 793.95 × 346.78
  4. Step 4: Simplify right side
    529.03x = 275,325.98
  5. Step 5: Solve for x
    x = 275,325.98/529.03
  6. Step 6: Final answer
    x = 520.44

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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.