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Finding the Fourth Proportional to 344.36, 474.06 and 298.37

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Solution

The fourth proportional to 344.36, 474.06 and 298.37 is: 410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.36 : 474.06 = 298.37 : x
  2. Step 2: Convert to fraction form
    344.36/474.06 = 298.37/x
  3. Step 3: Cross multiply
    344.36x = 474.06 × 298.37
  4. Step 4: Simplify right side
    344.36x = 141,445.28
  5. Step 5: Solve for x
    x = 141,445.28/344.36
  6. Step 6: Final answer
    x = 410.75

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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.