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Finding the Fourth Proportional to 604.06, 833.66 and 505.65

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Solution

The fourth proportional to 604.06, 833.66 and 505.65 is: 697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.06 : 833.66 = 505.65 : x
  2. Step 2: Convert to fraction form
    604.06/833.66 = 505.65/x
  3. Step 3: Cross multiply
    604.06x = 833.66 × 505.65
  4. Step 4: Simplify right side
    604.06x = 421,534.52
  5. Step 5: Solve for x
    x = 421,534.52/604.06
  6. Step 6: Final answer
    x = 697.83

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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.