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Finding the Fourth Proportional to 519.10, 774.62 and 473.11

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Solution

The fourth proportional to 519.10, 774.62 and 473.11 is: 705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.10 : 774.62 = 473.11 : x
  2. Step 2: Convert to fraction form
    519.10/774.62 = 473.11/x
  3. Step 3: Cross multiply
    519.10x = 774.62 × 473.11
  4. Step 4: Simplify right side
    519.10x = 366,480.47
  5. Step 5: Solve for x
    x = 366,480.47/519.10
  6. Step 6: Final answer
    x = 705.99

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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.