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Finding the Fourth Proportional to 346.04, 518.16 and 223.94

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Solution

The fourth proportional to 346.04, 518.16 and 223.94 is: 335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.04 : 518.16 = 223.94 : x
  2. Step 2: Convert to fraction form
    346.04/518.16 = 223.94/x
  3. Step 3: Cross multiply
    346.04x = 518.16 × 223.94
  4. Step 4: Simplify right side
    346.04x = 116,036.75
  5. Step 5: Solve for x
    x = 116,036.75/346.04
  6. Step 6: Final answer
    x = 335.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.