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Finding the Fourth Proportional to 501.03, 751.50 and 254.43

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Solution

The fourth proportional to 501.03, 751.50 and 254.43 is: 381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.03 : 751.50 = 254.43 : x
  2. Step 2: Convert to fraction form
    501.03/751.50 = 254.43/x
  3. Step 3: Cross multiply
    501.03x = 751.50 × 254.43
  4. Step 4: Simplify right side
    501.03x = 191,204.15
  5. Step 5: Solve for x
    x = 191,204.15/501.03
  6. Step 6: Final answer
    x = 381.62

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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.