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Finding the Fourth Proportional to 601.20, 901.62 and 235.89

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Solution

The fourth proportional to 601.20, 901.62 and 235.89 is: 353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.20 : 901.62 = 235.89 : x
  2. Step 2: Convert to fraction form
    601.20/901.62 = 235.89/x
  3. Step 3: Cross multiply
    601.20x = 901.62 × 235.89
  4. Step 4: Simplify right side
    601.20x = 212,683.14
  5. Step 5: Solve for x
    x = 212,683.14/601.20
  6. Step 6: Final answer
    x = 353.76

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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.