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Finding the Fourth Proportional to 190.66, 285.92 and 62.38

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Solution

The fourth proportional to 190.66, 285.92 and 62.38 is: 93.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.66 : 285.92 = 62.38 : x
  2. Step 2: Convert to fraction form
    190.66/285.92 = 62.38/x
  3. Step 3: Cross multiply
    190.66x = 285.92 × 62.38
  4. Step 4: Simplify right side
    190.66x = 17,834.26
  5. Step 5: Solve for x
    x = 17,834.26/190.66
  6. Step 6: Final answer
    x = 93.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.