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Finding the Fourth Proportional to 250.09, 373.40 and 247.48

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Solution

The fourth proportional to 250.09, 373.40 and 247.48 is: 369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.09 : 373.40 = 247.48 : x
  2. Step 2: Convert to fraction form
    250.09/373.40 = 247.48/x
  3. Step 3: Cross multiply
    250.09x = 373.40 × 247.48
  4. Step 4: Simplify right side
    250.09x = 92,409.03
  5. Step 5: Solve for x
    x = 92,409.03/250.09
  6. Step 6: Final answer
    x = 369.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.