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Finding the Fourth Proportional to 341.26, 470.96 and 210.28

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Solution

The fourth proportional to 341.26, 470.96 and 210.28 is: 290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.26 : 470.96 = 210.28 : x
  2. Step 2: Convert to fraction form
    341.26/470.96 = 210.28/x
  3. Step 3: Cross multiply
    341.26x = 470.96 × 210.28
  4. Step 4: Simplify right side
    341.26x = 99,033.47
  5. Step 5: Solve for x
    x = 99,033.47/341.26
  6. Step 6: Final answer
    x = 290.20

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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.