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Finding the Fourth Proportional to 690.86, 950.37 and 606.44

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Solution

The fourth proportional to 690.86, 950.37 and 606.44 is: 834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    690.86 : 950.37 = 606.44 : x
  2. Step 2: Convert to fraction form
    690.86/950.37 = 606.44/x
  3. Step 3: Cross multiply
    690.86x = 950.37 × 606.44
  4. Step 4: Simplify right side
    690.86x = 576,337.63
  5. Step 5: Solve for x
    x = 576,337.63/690.86
  6. Step 6: Final answer
    x = 834.24

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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.