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Finding the Fourth Proportional to 519.02, 777.61 and 462.52

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Solution

The fourth proportional to 519.02, 777.61 and 462.52 is: 692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.02 : 777.61 = 462.52 : x
  2. Step 2: Convert to fraction form
    519.02/777.61 = 462.52/x
  3. Step 3: Cross multiply
    519.02x = 777.61 × 462.52
  4. Step 4: Simplify right side
    519.02x = 359,660.18
  5. Step 5: Solve for x
    x = 359,660.18/519.02
  6. Step 6: Final answer
    x = 692.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.