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Finding the Fourth Proportional to 613.65, 846.82 and 333.89

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Solution

The fourth proportional to 613.65, 846.82 and 333.89 is: 460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.65 : 846.82 = 333.89 : x
  2. Step 2: Convert to fraction form
    613.65/846.82 = 333.89/x
  3. Step 3: Cross multiply
    613.65x = 846.82 × 333.89
  4. Step 4: Simplify right side
    613.65x = 282,742.58
  5. Step 5: Solve for x
    x = 282,742.58/613.65
  6. Step 6: Final answer
    x = 460.76

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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.