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Finding the Fourth Proportional to 454.34, 625.29 and 360.79

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Solution

The fourth proportional to 454.34, 625.29 and 360.79 is: 496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.34 : 625.29 = 360.79 : x
  2. Step 2: Convert to fraction form
    454.34/625.29 = 360.79/x
  3. Step 3: Cross multiply
    454.34x = 625.29 × 360.79
  4. Step 4: Simplify right side
    454.34x = 225,598.38
  5. Step 5: Solve for x
    x = 225,598.38/454.34
  6. Step 6: Final answer
    x = 496.54

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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.