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Finding the Fourth Proportional to 657.26, 985.86 and 246.37

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Solution

The fourth proportional to 657.26, 985.86 and 246.37 is: 369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.26 : 985.86 = 246.37 : x
  2. Step 2: Convert to fraction form
    657.26/985.86 = 246.37/x
  3. Step 3: Cross multiply
    657.26x = 985.86 × 246.37
  4. Step 4: Simplify right side
    657.26x = 242,880.17
  5. Step 5: Solve for x
    x = 242,880.17/657.26
  6. Step 6: Final answer
    x = 369.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.