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Finding the Fourth Proportional to 573.98, 854.50 and 571.28

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Solution

The fourth proportional to 573.98, 854.50 and 571.28 is: 850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.98 : 854.50 = 571.28 : x
  2. Step 2: Convert to fraction form
    573.98/854.50 = 571.28/x
  3. Step 3: Cross multiply
    573.98x = 854.50 × 571.28
  4. Step 4: Simplify right side
    573.98x = 488,158.76
  5. Step 5: Solve for x
    x = 488,158.76/573.98
  6. Step 6: Final answer
    x = 850.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.