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Finding the Fourth Proportional to 201.93, 279.16 and 193.32

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Solution

The fourth proportional to 201.93, 279.16 and 193.32 is: 267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.93 : 279.16 = 193.32 : x
  2. Step 2: Convert to fraction form
    201.93/279.16 = 193.32/x
  3. Step 3: Cross multiply
    201.93x = 279.16 × 193.32
  4. Step 4: Simplify right side
    201.93x = 53,967.21
  5. Step 5: Solve for x
    x = 53,967.21/201.93
  6. Step 6: Final answer
    x = 267.26

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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.