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Finding the Fourth Proportional to 431.92, 594.48 and 369.52

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Solution

The fourth proportional to 431.92, 594.48 and 369.52 is: 508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.92 : 594.48 = 369.52 : x
  2. Step 2: Convert to fraction form
    431.92/594.48 = 369.52/x
  3. Step 3: Cross multiply
    431.92x = 594.48 × 369.52
  4. Step 4: Simplify right side
    431.92x = 219,672.25
  5. Step 5: Solve for x
    x = 219,672.25/431.92
  6. Step 6: Final answer
    x = 508.59

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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.