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Finding the Fourth Proportional to 503.23, 755.03 and 243.34

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Solution

The fourth proportional to 503.23, 755.03 and 243.34 is: 365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.23 : 755.03 = 243.34 : x
  2. Step 2: Convert to fraction form
    503.23/755.03 = 243.34/x
  3. Step 3: Cross multiply
    503.23x = 755.03 × 243.34
  4. Step 4: Simplify right side
    503.23x = 183,729.00
  5. Step 5: Solve for x
    x = 183,729.00/503.23
  6. Step 6: Final answer
    x = 365.10

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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.