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Finding the Fourth Proportional to 190.04, 262.25 and 107.13

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Solution

The fourth proportional to 190.04, 262.25 and 107.13 is: 147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.04 : 262.25 = 107.13 : x
  2. Step 2: Convert to fraction form
    190.04/262.25 = 107.13/x
  3. Step 3: Cross multiply
    190.04x = 262.25 × 107.13
  4. Step 4: Simplify right side
    190.04x = 28,095.69
  5. Step 5: Solve for x
    x = 28,095.69/190.04
  6. Step 6: Final answer
    x = 147.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.