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Finding the Fourth Proportional to 1,233.86, 1,850.85 and 503.46

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Solution

The fourth proportional to 1,233.86, 1,850.85 and 503.46 is: 755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.86 : 1,850.85 = 503.46 : x
  2. Step 2: Convert to fraction form
    1,233.86/1,850.85 = 503.46/x
  3. Step 3: Cross multiply
    1,233.86x = 1,850.85 × 503.46
  4. Step 4: Simplify right side
    1,233.86x = 931,828.94
  5. Step 5: Solve for x
    x = 931,828.94/1,233.86
  6. Step 6: Final answer
    x = 755.22

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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.