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Finding the Fourth Proportional to 695.01, 958.65 and 445.94

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Solution

The fourth proportional to 695.01, 958.65 and 445.94 is: 615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.01 : 958.65 = 445.94 : x
  2. Step 2: Convert to fraction form
    695.01/958.65 = 445.94/x
  3. Step 3: Cross multiply
    695.01x = 958.65 × 445.94
  4. Step 4: Simplify right side
    695.01x = 427,495.59
  5. Step 5: Solve for x
    x = 427,495.59/695.01
  6. Step 6: Final answer
    x = 615.09

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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.