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Finding the Fourth Proportional to 573.38, 791.28 and 352.26

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Solution

The fourth proportional to 573.38, 791.28 and 352.26 is: 486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.38 : 791.28 = 352.26 : x
  2. Step 2: Convert to fraction form
    573.38/791.28 = 352.26/x
  3. Step 3: Cross multiply
    573.38x = 791.28 × 352.26
  4. Step 4: Simplify right side
    573.38x = 278,736.29
  5. Step 5: Solve for x
    x = 278,736.29/573.38
  6. Step 6: Final answer
    x = 486.13

Related Problems

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Half scale
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Double scale
Find fourth proportional to 574.38, 792.66 and 353.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.