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Finding the Fourth Proportional to 590.26, 814.55 and 341.56

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Solution

The fourth proportional to 590.26, 814.55 and 341.56 is: 471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.26 : 814.55 = 341.56 : x
  2. Step 2: Convert to fraction form
    590.26/814.55 = 341.56/x
  3. Step 3: Cross multiply
    590.26x = 814.55 × 341.56
  4. Step 4: Simplify right side
    590.26x = 278,217.70
  5. Step 5: Solve for x
    x = 278,217.70/590.26
  6. Step 6: Final answer
    x = 471.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.