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Finding the Fourth Proportional to 601.56, 900.36 and 396.36

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Solution

The fourth proportional to 601.56, 900.36 and 396.36 is: 593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.56 : 900.36 = 396.36 : x
  2. Step 2: Convert to fraction form
    601.56/900.36 = 396.36/x
  3. Step 3: Cross multiply
    601.56x = 900.36 × 396.36
  4. Step 4: Simplify right side
    601.56x = 356,866.69
  5. Step 5: Solve for x
    x = 356,866.69/601.56
  6. Step 6: Final answer
    x = 593.24

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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.