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Finding the Fourth Proportional to 601.29, 900.90 and 369.45

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Solution

The fourth proportional to 601.29, 900.90 and 369.45 is: 553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.29 : 900.90 = 369.45 : x
  2. Step 2: Convert to fraction form
    601.29/900.90 = 369.45/x
  3. Step 3: Cross multiply
    601.29x = 900.90 × 369.45
  4. Step 4: Simplify right side
    601.29x = 332,837.51
  5. Step 5: Solve for x
    x = 332,837.51/601.29
  6. Step 6: Final answer
    x = 553.54

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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.