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Finding the Fourth Proportional to 695.88, 955.58 and 622.17

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Solution

The fourth proportional to 695.88, 955.58 and 622.17 is: 854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.88 : 955.58 = 622.17 : x
  2. Step 2: Convert to fraction form
    695.88/955.58 = 622.17/x
  3. Step 3: Cross multiply
    695.88x = 955.58 × 622.17
  4. Step 4: Simplify right side
    695.88x = 594,530.10
  5. Step 5: Solve for x
    x = 594,530.10/695.88
  6. Step 6: Final answer
    x = 854.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.