Home / 190.30-262.23-135.10

Finding the Fourth Proportional to 190.30, 262.23 and 135.10

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Solution

The fourth proportional to 190.30, 262.23 and 135.10 is: 186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.30 : 262.23 = 135.10 : x
  2. Step 2: Convert to fraction form
    190.30/262.23 = 135.10/x
  3. Step 3: Cross multiply
    190.30x = 262.23 × 135.10
  4. Step 4: Simplify right side
    190.30x = 35,427.27
  5. Step 5: Solve for x
    x = 35,427.27/190.30
  6. Step 6: Final answer
    x = 186.17

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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.