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Finding the Fourth Proportional to 251.07, 373.99 and 247.83

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Solution

The fourth proportional to 251.07, 373.99 and 247.83 is: 369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.07 : 373.99 = 247.83 : x
  2. Step 2: Convert to fraction form
    251.07/373.99 = 247.83/x
  3. Step 3: Cross multiply
    251.07x = 373.99 × 247.83
  4. Step 4: Simplify right side
    251.07x = 92,685.32
  5. Step 5: Solve for x
    x = 92,685.32/251.07
  6. Step 6: Final answer
    x = 369.16

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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.