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Finding the Fourth Proportional to 573.37, 858.21 and 299.08

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Solution

The fourth proportional to 573.37, 858.21 and 299.08 is: 447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.37 : 858.21 = 299.08 : x
  2. Step 2: Convert to fraction form
    573.37/858.21 = 299.08/x
  3. Step 3: Cross multiply
    573.37x = 858.21 × 299.08
  4. Step 4: Simplify right side
    573.37x = 256,673.45
  5. Step 5: Solve for x
    x = 256,673.45/573.37
  6. Step 6: Final answer
    x = 447.66

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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.