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Finding the Fourth Proportional to 454.23, 680.67 and 332.58

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Solution

The fourth proportional to 454.23, 680.67 and 332.58 is: 498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.23 : 680.67 = 332.58 : x
  2. Step 2: Convert to fraction form
    454.23/680.67 = 332.58/x
  3. Step 3: Cross multiply
    454.23x = 680.67 × 332.58
  4. Step 4: Simplify right side
    454.23x = 226,376.46
  5. Step 5: Solve for x
    x = 226,376.46/454.23
  6. Step 6: Final answer
    x = 498.37

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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.