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Finding the Fourth Proportional to 341.49, 471.30 and 210.48

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Solution

The fourth proportional to 341.49, 471.30 and 210.48 is: 290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.49 : 471.30 = 210.48 : x
  2. Step 2: Convert to fraction form
    341.49/471.30 = 210.48/x
  3. Step 3: Cross multiply
    341.49x = 471.30 × 210.48
  4. Step 4: Simplify right side
    341.49x = 99,199.22
  5. Step 5: Solve for x
    x = 99,199.22/341.49
  6. Step 6: Final answer
    x = 290.49

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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.