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Finding the Fourth Proportional to 329.22, 454.01 and 263.04

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Solution

The fourth proportional to 329.22, 454.01 and 263.04 is: 362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.22 : 454.01 = 263.04 : x
  2. Step 2: Convert to fraction form
    329.22/454.01 = 263.04/x
  3. Step 3: Cross multiply
    329.22x = 454.01 × 263.04
  4. Step 4: Simplify right side
    329.22x = 119,421.48
  5. Step 5: Solve for x
    x = 119,421.48/329.22
  6. Step 6: Final answer
    x = 362.74

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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.