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Finding the Fourth Proportional to 264.05, 364.61 and 194.50

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Solution

The fourth proportional to 264.05, 364.61 and 194.50 is: 268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.05 : 364.61 = 194.50 : x
  2. Step 2: Convert to fraction form
    264.05/364.61 = 194.50/x
  3. Step 3: Cross multiply
    264.05x = 364.61 × 194.50
  4. Step 4: Simplify right side
    264.05x = 70,916.65
  5. Step 5: Solve for x
    x = 70,916.65/264.05
  6. Step 6: Final answer
    x = 268.57

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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.