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Finding the Fourth Proportional to 519.44, 774.16 and 493.52

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Solution

The fourth proportional to 519.44, 774.16 and 493.52 is: 735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.44 : 774.16 = 493.52 : x
  2. Step 2: Convert to fraction form
    519.44/774.16 = 493.52/x
  3. Step 3: Cross multiply
    519.44x = 774.16 × 493.52
  4. Step 4: Simplify right side
    519.44x = 382,063.44
  5. Step 5: Solve for x
    x = 382,063.44/519.44
  6. Step 6: Final answer
    x = 735.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.