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Finding the Fourth Proportional to 344.04, 474.62 and 239.34

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Solution

The fourth proportional to 344.04, 474.62 and 239.34 is: 330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.04 : 474.62 = 239.34 : x
  2. Step 2: Convert to fraction form
    344.04/474.62 = 239.34/x
  3. Step 3: Cross multiply
    344.04x = 474.62 × 239.34
  4. Step 4: Simplify right side
    344.04x = 113,595.55
  5. Step 5: Solve for x
    x = 113,595.55/344.04
  6. Step 6: Final answer
    x = 330.18

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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.