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Finding the Fourth Proportional to 695.89, 1,043.63 and 233.62

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Solution

The fourth proportional to 695.89, 1,043.63 and 233.62 is: 350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.89 : 1,043.63 = 233.62 : x
  2. Step 2: Convert to fraction form
    695.89/1,043.63 = 233.62/x
  3. Step 3: Cross multiply
    695.89x = 1,043.63 × 233.62
  4. Step 4: Simplify right side
    695.89x = 243,811.25
  5. Step 5: Solve for x
    x = 243,811.25/695.89
  6. Step 6: Final answer
    x = 350.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.