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Finding the Fourth Proportional to 190.10, 266.50 and 190.10

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Solution

The fourth proportional to 190.10, 266.50 and 190.10 is: 266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.10 : 266.50 = 190.10 : x
  2. Step 2: Convert to fraction form
    190.10/266.50 = 190.10/x
  3. Step 3: Cross multiply
    190.10x = 266.50 × 190.10
  4. Step 4: Simplify right side
    190.10x = 50,661.65
  5. Step 5: Solve for x
    x = 50,661.65/190.10
  6. Step 6: Final answer
    x = 266.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.