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Finding the Fourth Proportional to 566.70, 853.19 and 443.96

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Solution

The fourth proportional to 566.70, 853.19 and 443.96 is: 668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.70 : 853.19 = 443.96 : x
  2. Step 2: Convert to fraction form
    566.70/853.19 = 443.96/x
  3. Step 3: Cross multiply
    566.70x = 853.19 × 443.96
  4. Step 4: Simplify right side
    566.70x = 378,782.23
  5. Step 5: Solve for x
    x = 378,782.23/566.70
  6. Step 6: Final answer
    x = 668.40

Related Problems

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.