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Finding the Fourth Proportional to 264.20, 364.93 and 190.39

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Solution

The fourth proportional to 264.20, 364.93 and 190.39 is: 262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.20 : 364.93 = 190.39 : x
  2. Step 2: Convert to fraction form
    264.20/364.93 = 190.39/x
  3. Step 3: Cross multiply
    264.20x = 364.93 × 190.39
  4. Step 4: Simplify right side
    264.20x = 69,479.00
  5. Step 5: Solve for x
    x = 69,479.00/264.20
  6. Step 6: Final answer
    x = 262.98

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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.