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Finding the Fourth Proportional to 264.44, 395.04 and 210.39

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Solution

The fourth proportional to 264.44, 395.04 and 210.39 is: 314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.44 : 395.04 = 210.39 : x
  2. Step 2: Convert to fraction form
    264.44/395.04 = 210.39/x
  3. Step 3: Cross multiply
    264.44x = 395.04 × 210.39
  4. Step 4: Simplify right side
    264.44x = 83,112.47
  5. Step 5: Solve for x
    x = 83,112.47/264.44
  6. Step 6: Final answer
    x = 314.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.