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Finding the Fourth Proportional to 556.83, 835.11 and 336.65

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Solution

The fourth proportional to 556.83, 835.11 and 336.65 is: 504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.83 : 835.11 = 336.65 : x
  2. Step 2: Convert to fraction form
    556.83/835.11 = 336.65/x
  3. Step 3: Cross multiply
    556.83x = 835.11 × 336.65
  4. Step 4: Simplify right side
    556.83x = 281,135.61
  5. Step 5: Solve for x
    x = 281,135.61/556.83
  6. Step 6: Final answer
    x = 504.89

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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.