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Finding the Fourth Proportional to 374.06, 516.41 and 248.03

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Solution

The fourth proportional to 374.06, 516.41 and 248.03 is: 342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.06 : 516.41 = 248.03 : x
  2. Step 2: Convert to fraction form
    374.06/516.41 = 248.03/x
  3. Step 3: Cross multiply
    374.06x = 516.41 × 248.03
  4. Step 4: Simplify right side
    374.06x = 128,085.22
  5. Step 5: Solve for x
    x = 128,085.22/374.06
  6. Step 6: Final answer
    x = 342.42

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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.