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Finding the Fourth Proportional to 523.26, 722.33 and 383.38

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Solution

The fourth proportional to 523.26, 722.33 and 383.38 is: 529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.26 : 722.33 = 383.38 : x
  2. Step 2: Convert to fraction form
    523.26/722.33 = 383.38/x
  3. Step 3: Cross multiply
    523.26x = 722.33 × 383.38
  4. Step 4: Simplify right side
    523.26x = 276,930.81
  5. Step 5: Solve for x
    x = 276,930.81/523.26
  6. Step 6: Final answer
    x = 529.24

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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.