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Finding the Fourth Proportional to 341.37, 471.18 and 210.49

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Solution

The fourth proportional to 341.37, 471.18 and 210.49 is: 290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.37 : 471.18 = 210.49 : x
  2. Step 2: Convert to fraction form
    341.37/471.18 = 210.49/x
  3. Step 3: Cross multiply
    341.37x = 471.18 × 210.49
  4. Step 4: Simplify right side
    341.37x = 99,178.68
  5. Step 5: Solve for x
    x = 99,178.68/341.37
  6. Step 6: Final answer
    x = 290.53

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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.