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Finding the Fourth Proportional to 503.81, 755.79 and 229.98

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Solution

The fourth proportional to 503.81, 755.79 and 229.98 is: 345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.81 : 755.79 = 229.98 : x
  2. Step 2: Convert to fraction form
    503.81/755.79 = 229.98/x
  3. Step 3: Cross multiply
    503.81x = 755.79 × 229.98
  4. Step 4: Simplify right side
    503.81x = 173,816.58
  5. Step 5: Solve for x
    x = 173,816.58/503.81
  6. Step 6: Final answer
    x = 345.00

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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.