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Finding the Fourth Proportional to 572.33, 858.20 and 329.33

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Solution

The fourth proportional to 572.33, 858.20 and 329.33 is: 493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.33 : 858.20 = 329.33 : x
  2. Step 2: Convert to fraction form
    572.33/858.20 = 329.33/x
  3. Step 3: Cross multiply
    572.33x = 858.20 × 329.33
  4. Step 4: Simplify right side
    572.33x = 282,631.50
  5. Step 5: Solve for x
    x = 282,631.50/572.33
  6. Step 6: Final answer
    x = 493.82

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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.