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Finding the Fourth Proportional to 601.35, 902.10 and 190.43

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Solution

The fourth proportional to 601.35, 902.10 and 190.43 is: 285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.35 : 902.10 = 190.43 : x
  2. Step 2: Convert to fraction form
    601.35/902.10 = 190.43/x
  3. Step 3: Cross multiply
    601.35x = 902.10 × 190.43
  4. Step 4: Simplify right side
    601.35x = 171,786.90
  5. Step 5: Solve for x
    x = 171,786.90/601.35
  6. Step 6: Final answer
    x = 285.67

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Double scale
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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.