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Finding the Fourth Proportional to 694.99, 958.53 and 446.33

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Solution

The fourth proportional to 694.99, 958.53 and 446.33 is: 615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.99 : 958.53 = 446.33 : x
  2. Step 2: Convert to fraction form
    694.99/958.53 = 446.33/x
  3. Step 3: Cross multiply
    694.99x = 958.53 × 446.33
  4. Step 4: Simplify right side
    694.99x = 427,818.46
  5. Step 5: Solve for x
    x = 427,818.46/694.99
  6. Step 6: Final answer
    x = 615.58

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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.