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Finding the Fourth Proportional to 371.52, 555.64 and 335.57

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Solution

The fourth proportional to 371.52, 555.64 and 335.57 is: 501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.52 : 555.64 = 335.57 : x
  2. Step 2: Convert to fraction form
    371.52/555.64 = 335.57/x
  3. Step 3: Cross multiply
    371.52x = 555.64 × 335.57
  4. Step 4: Simplify right side
    371.52x = 186,452.50
  5. Step 5: Solve for x
    x = 186,452.50/371.52
  6. Step 6: Final answer
    x = 501.86

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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.