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Finding the Fourth Proportional to 501.34, 752.28 and 379.57

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Solution

The fourth proportional to 501.34, 752.28 and 379.57 is: 569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.34 : 752.28 = 379.57 : x
  2. Step 2: Convert to fraction form
    501.34/752.28 = 379.57/x
  3. Step 3: Cross multiply
    501.34x = 752.28 × 379.57
  4. Step 4: Simplify right side
    501.34x = 285,542.92
  5. Step 5: Solve for x
    x = 285,542.92/501.34
  6. Step 6: Final answer
    x = 569.56

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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.