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Finding the Fourth Proportional to 604.39, 833.64 and 538.43

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Solution

The fourth proportional to 604.39, 833.64 and 538.43 is: 742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.39 : 833.64 = 538.43 : x
  2. Step 2: Convert to fraction form
    604.39/833.64 = 538.43/x
  3. Step 3: Cross multiply
    604.39x = 833.64 × 538.43
  4. Step 4: Simplify right side
    604.39x = 448,861.83
  5. Step 5: Solve for x
    x = 448,861.83/604.39
  6. Step 6: Final answer
    x = 742.67

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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.