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Finding the Fourth Proportional to 346.41, 515.97 and 341.28

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Solution

The fourth proportional to 346.41, 515.97 and 341.28 is: 508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.41 : 515.97 = 341.28 : x
  2. Step 2: Convert to fraction form
    346.41/515.97 = 341.28/x
  3. Step 3: Cross multiply
    346.41x = 515.97 × 341.28
  4. Step 4: Simplify right side
    346.41x = 176,090.24
  5. Step 5: Solve for x
    x = 176,090.24/346.41
  6. Step 6: Final answer
    x = 508.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.