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Finding the Fourth Proportional to 602.34, 903.44 and 255.73

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Solution

The fourth proportional to 602.34, 903.44 and 255.73 is: 383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.34 : 903.44 = 255.73 : x
  2. Step 2: Convert to fraction form
    602.34/903.44 = 255.73/x
  3. Step 3: Cross multiply
    602.34x = 903.44 × 255.73
  4. Step 4: Simplify right side
    602.34x = 231,030.92
  5. Step 5: Solve for x
    x = 231,030.92/602.34
  6. Step 6: Final answer
    x = 383.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.