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Finding the Fourth Proportional to 573.36, 790.36 and 352.14

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Solution

The fourth proportional to 573.36, 790.36 and 352.14 is: 485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.36 : 790.36 = 352.14 : x
  2. Step 2: Convert to fraction form
    573.36/790.36 = 352.14/x
  3. Step 3: Cross multiply
    573.36x = 790.36 × 352.14
  4. Step 4: Simplify right side
    573.36x = 278,317.37
  5. Step 5: Solve for x
    x = 278,317.37/573.36
  6. Step 6: Final answer
    x = 485.41

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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.