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Finding the Fourth Proportional to 264.03, 395.71 and 140.33

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Solution

The fourth proportional to 264.03, 395.71 and 140.33 is: 210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.03 : 395.71 = 140.33 : x
  2. Step 2: Convert to fraction form
    264.03/395.71 = 140.33/x
  3. Step 3: Cross multiply
    264.03x = 395.71 × 140.33
  4. Step 4: Simplify right side
    264.03x = 55,531.02
  5. Step 5: Solve for x
    x = 55,531.02/264.03
  6. Step 6: Final answer
    x = 210.32

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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.