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Finding the Fourth Proportional to 431.00, 594.78 and 234.52

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Solution

The fourth proportional to 431.00, 594.78 and 234.52 is: 323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.00 : 594.78 = 234.52 : x
  2. Step 2: Convert to fraction form
    431.00/594.78 = 234.52/x
  3. Step 3: Cross multiply
    431.00x = 594.78 × 234.52
  4. Step 4: Simplify right side
    431.00x = 139,486.32
  5. Step 5: Solve for x
    x = 139,486.32/431.00
  6. Step 6: Final answer
    x = 323.64

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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.