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Finding the Fourth Proportional to 601.60, 902.08 and 190.56

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Solution

The fourth proportional to 601.60, 902.08 and 190.56 is: 285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.60 : 902.08 = 190.56 : x
  2. Step 2: Convert to fraction form
    601.60/902.08 = 190.56/x
  3. Step 3: Cross multiply
    601.60x = 902.08 × 190.56
  4. Step 4: Simplify right side
    601.60x = 171,900.36
  5. Step 5: Solve for x
    x = 171,900.36/601.60
  6. Step 6: Final answer
    x = 285.74

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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.