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Finding the Fourth Proportional to 590.43, 814.77 and 341.74

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Solution

The fourth proportional to 590.43, 814.77 and 341.74 is: 471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.43 : 814.77 = 341.74 : x
  2. Step 2: Convert to fraction form
    590.43/814.77 = 341.74/x
  3. Step 3: Cross multiply
    590.43x = 814.77 × 341.74
  4. Step 4: Simplify right side
    590.43x = 278,440.52
  5. Step 5: Solve for x
    x = 278,440.52/590.43
  6. Step 6: Final answer
    x = 471.59

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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.