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Finding the Fourth Proportional to 519.03, 714.29 and 483.39

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Solution

The fourth proportional to 519.03, 714.29 and 483.39 is: 665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.03 : 714.29 = 483.39 : x
  2. Step 2: Convert to fraction form
    519.03/714.29 = 483.39/x
  3. Step 3: Cross multiply
    519.03x = 714.29 × 483.39
  4. Step 4: Simplify right side
    519.03x = 345,278.23
  5. Step 5: Solve for x
    x = 345,278.23/519.03
  6. Step 6: Final answer
    x = 665.24

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1.5x scale

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.