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Finding the Fourth Proportional to 341.30, 471.04 and 201.54

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Solution

The fourth proportional to 341.30, 471.04 and 201.54 is: 278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.30 : 471.04 = 201.54 : x
  2. Step 2: Convert to fraction form
    341.30/471.04 = 201.54/x
  3. Step 3: Cross multiply
    341.30x = 471.04 × 201.54
  4. Step 4: Simplify right side
    341.30x = 94,933.40
  5. Step 5: Solve for x
    x = 94,933.40/341.30
  6. Step 6: Final answer
    x = 278.15

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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.