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Finding the Fourth Proportional to 341.88, 471.58 and 243.87

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Solution

The fourth proportional to 341.88, 471.58 and 243.87 is: 336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.88 : 471.58 = 243.87 : x
  2. Step 2: Convert to fraction form
    341.88/471.58 = 243.87/x
  3. Step 3: Cross multiply
    341.88x = 471.58 × 243.87
  4. Step 4: Simplify right side
    341.88x = 115,004.21
  5. Step 5: Solve for x
    x = 115,004.21/341.88
  6. Step 6: Final answer
    x = 336.39

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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.