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Finding the Fourth Proportional to 695.01, 957.35 and 576.79

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Solution

The fourth proportional to 695.01, 957.35 and 576.79 is: 794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.01 : 957.35 = 576.79 : x
  2. Step 2: Convert to fraction form
    695.01/957.35 = 576.79/x
  3. Step 3: Cross multiply
    695.01x = 957.35 × 576.79
  4. Step 4: Simplify right side
    695.01x = 552,188.96
  5. Step 5: Solve for x
    x = 552,188.96/695.01
  6. Step 6: Final answer
    x = 794.50

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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.