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Finding the Fourth Proportional to 573.30, 858.94 and 554.27

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Solution

The fourth proportional to 573.30, 858.94 and 554.27 is: 830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.30 : 858.94 = 554.27 : x
  2. Step 2: Convert to fraction form
    573.30/858.94 = 554.27/x
  3. Step 3: Cross multiply
    573.30x = 858.94 × 554.27
  4. Step 4: Simplify right side
    573.30x = 476,078.99
  5. Step 5: Solve for x
    x = 476,078.99/573.30
  6. Step 6: Final answer
    x = 830.42

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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.