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Finding the Fourth Proportional to 601.21, 902.22 and 235.90

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Solution

The fourth proportional to 601.21, 902.22 and 235.90 is: 354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.21 : 902.22 = 235.90 : x
  2. Step 2: Convert to fraction form
    601.21/902.22 = 235.90/x
  3. Step 3: Cross multiply
    601.21x = 902.22 × 235.90
  4. Step 4: Simplify right side
    601.21x = 212,833.70
  5. Step 5: Solve for x
    x = 212,833.70/601.21
  6. Step 6: Final answer
    x = 354.01

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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.