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Finding the Fourth Proportional to 695.58, 958.96 and 433.50

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Solution

The fourth proportional to 695.58, 958.96 and 433.50 is: 597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.58 : 958.96 = 433.50 : x
  2. Step 2: Convert to fraction form
    695.58/958.96 = 433.50/x
  3. Step 3: Cross multiply
    695.58x = 958.96 × 433.50
  4. Step 4: Simplify right side
    695.58x = 415,709.16
  5. Step 5: Solve for x
    x = 415,709.16/695.58
  6. Step 6: Final answer
    x = 597.64

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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.