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Finding the Fourth Proportional to 503.14, 693.99 and 468.19

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Solution

The fourth proportional to 503.14, 693.99 and 468.19 is: 645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.14 : 693.99 = 468.19 : x
  2. Step 2: Convert to fraction form
    503.14/693.99 = 468.19/x
  3. Step 3: Cross multiply
    503.14x = 693.99 × 468.19
  4. Step 4: Simplify right side
    503.14x = 324,919.18
  5. Step 5: Solve for x
    x = 324,919.18/503.14
  6. Step 6: Final answer
    x = 645.78

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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.