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Finding the Fourth Proportional to 571.82, 857.58 and 225.05

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Solution

The fourth proportional to 571.82, 857.58 and 225.05 is: 337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.82 : 857.58 = 225.05 : x
  2. Step 2: Convert to fraction form
    571.82/857.58 = 225.05/x
  3. Step 3: Cross multiply
    571.82x = 857.58 × 225.05
  4. Step 4: Simplify right side
    571.82x = 192,994.09
  5. Step 5: Solve for x
    x = 192,994.09/571.82
  6. Step 6: Final answer
    x = 337.51

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Double scale
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Similar ratio
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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.