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Finding the Fourth Proportional to 460.84, 635.49 and 330.04

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Solution

The fourth proportional to 460.84, 635.49 and 330.04 is: 455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.84 : 635.49 = 330.04 : x
  2. Step 2: Convert to fraction form
    460.84/635.49 = 330.04/x
  3. Step 3: Cross multiply
    460.84x = 635.49 × 330.04
  4. Step 4: Simplify right side
    460.84x = 209,737.12
  5. Step 5: Solve for x
    x = 209,737.12/460.84
  6. Step 6: Final answer
    x = 455.12

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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.