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Finding the Fourth Proportional to 519.04, 716.48 and 475.52

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Solution

The fourth proportional to 519.04, 716.48 and 475.52 is: 656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.04 : 716.48 = 475.52 : x
  2. Step 2: Convert to fraction form
    519.04/716.48 = 475.52/x
  3. Step 3: Cross multiply
    519.04x = 716.48 × 475.52
  4. Step 4: Simplify right side
    519.04x = 340,700.57
  5. Step 5: Solve for x
    x = 340,700.57/519.04
  6. Step 6: Final answer
    x = 656.41

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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.