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Finding the Fourth Proportional to 695.14, 958.71 and 547.54

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Solution

The fourth proportional to 695.14, 958.71 and 547.54 is: 755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.14 : 958.71 = 547.54 : x
  2. Step 2: Convert to fraction form
    695.14/958.71 = 547.54/x
  3. Step 3: Cross multiply
    695.14x = 958.71 × 547.54
  4. Step 4: Simplify right side
    695.14x = 524,932.07
  5. Step 5: Solve for x
    x = 524,932.07/695.14
  6. Step 6: Final answer
    x = 755.15

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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.