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Finding the Fourth Proportional to 501.27, 750.89 and 371.54

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Solution

The fourth proportional to 501.27, 750.89 and 371.54 is: 556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.27 : 750.89 = 371.54 : x
  2. Step 2: Convert to fraction form
    501.27/750.89 = 371.54/x
  3. Step 3: Cross multiply
    501.27x = 750.89 × 371.54
  4. Step 4: Simplify right side
    501.27x = 278,980.06
  5. Step 5: Solve for x
    x = 278,980.06/501.27
  6. Step 6: Final answer
    x = 556.55

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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.