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Finding the Fourth Proportional to 572.57, 858.25 and 225.84

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Solution

The fourth proportional to 572.57, 858.25 and 225.84 is: 338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.57 : 858.25 = 225.84 : x
  2. Step 2: Convert to fraction form
    572.57/858.25 = 225.84/x
  3. Step 3: Cross multiply
    572.57x = 858.25 × 225.84
  4. Step 4: Simplify right side
    572.57x = 193,824.58
  5. Step 5: Solve for x
    x = 193,824.58/572.57
  6. Step 6: Final answer
    x = 338.52

Related Problems

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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.