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Finding the Fourth Proportional to 529.80, 793.62 and 337.56

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Solution

The fourth proportional to 529.80, 793.62 and 337.56 is: 505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.80 : 793.62 = 337.56 : x
  2. Step 2: Convert to fraction form
    529.80/793.62 = 337.56/x
  3. Step 3: Cross multiply
    529.80x = 793.62 × 337.56
  4. Step 4: Simplify right side
    529.80x = 267,894.37
  5. Step 5: Solve for x
    x = 267,894.37/529.80
  6. Step 6: Final answer
    x = 505.65

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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.