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Finding the Fourth Proportional to 341.37, 471 and 193.98

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Solution

The fourth proportional to 341.37, 471 and 193.98 is: 267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.37 : 471 = 193.98 : x
  2. Step 2: Convert to fraction form
    341.37/471 = 193.98/x
  3. Step 3: Cross multiply
    341.37x = 471 × 193.98
  4. Step 4: Simplify right side
    341.37x = 91,364.58
  5. Step 5: Solve for x
    x = 91,364.58/341.37
  6. Step 6: Final answer
    x = 267.64

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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.