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Finding the Fourth Proportional to 574.32, 793.08 and 522.48

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Solution

The fourth proportional to 574.32, 793.08 and 522.48 is: 721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.32 : 793.08 = 522.48 : x
  2. Step 2: Convert to fraction form
    574.32/793.08 = 522.48/x
  3. Step 3: Cross multiply
    574.32x = 793.08 × 522.48
  4. Step 4: Simplify right side
    574.32x = 414,368.44
  5. Step 5: Solve for x
    x = 414,368.44/574.32
  6. Step 6: Final answer
    x = 721.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.