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Finding the Fourth Proportional to 695.33, 959.63 and 433.38

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Solution

The fourth proportional to 695.33, 959.63 and 433.38 is: 598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.33 : 959.63 = 433.38 : x
  2. Step 2: Convert to fraction form
    695.33/959.63 = 433.38/x
  3. Step 3: Cross multiply
    695.33x = 959.63 × 433.38
  4. Step 4: Simplify right side
    695.33x = 415,882.28
  5. Step 5: Solve for x
    x = 415,882.28/695.33
  6. Step 6: Final answer
    x = 598.11

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1.5x scale

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.