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Finding the Fourth Proportional to 430.73, 594.38 and 234.23

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Solution

The fourth proportional to 430.73, 594.38 and 234.23 is: 323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.73 : 594.38 = 234.23 : x
  2. Step 2: Convert to fraction form
    430.73/594.38 = 234.23/x
  3. Step 3: Cross multiply
    430.73x = 594.38 × 234.23
  4. Step 4: Simplify right side
    430.73x = 139,217.48
  5. Step 5: Solve for x
    x = 139,217.48/430.73
  6. Step 6: Final answer
    x = 323.22

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Double scale
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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.