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Finding the Fourth Proportional to 590.60, 887.26 and 371.90

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Solution

The fourth proportional to 590.60, 887.26 and 371.90 is: 558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.60 : 887.26 = 371.90 : x
  2. Step 2: Convert to fraction form
    590.60/887.26 = 371.90/x
  3. Step 3: Cross multiply
    590.60x = 887.26 × 371.90
  4. Step 4: Simplify right side
    590.60x = 329,971.99
  5. Step 5: Solve for x
    x = 329,971.99/590.60
  6. Step 6: Final answer
    x = 558.71

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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.