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Finding the Fourth Proportional to 342.94, 473.36 and 244.98

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Solution

The fourth proportional to 342.94, 473.36 and 244.98 is: 338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.94 : 473.36 = 244.98 : x
  2. Step 2: Convert to fraction form
    342.94/473.36 = 244.98/x
  3. Step 3: Cross multiply
    342.94x = 473.36 × 244.98
  4. Step 4: Simplify right side
    342.94x = 115,963.73
  5. Step 5: Solve for x
    x = 115,963.73/342.94
  6. Step 6: Final answer
    x = 338.15

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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.