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Finding the Fourth Proportional to 571.89, 857.98 and 263.96

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Solution

The fourth proportional to 571.89, 857.98 and 263.96 is: 396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.89 : 857.98 = 263.96 : x
  2. Step 2: Convert to fraction form
    571.89/857.98 = 263.96/x
  3. Step 3: Cross multiply
    571.89x = 857.98 × 263.96
  4. Step 4: Simplify right side
    571.89x = 226,468.81
  5. Step 5: Solve for x
    x = 226,468.81/571.89
  6. Step 6: Final answer
    x = 396.00

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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.