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Finding the Fourth Proportional to 441.16, 608.53 and 284.00

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Solution

The fourth proportional to 441.16, 608.53 and 284.00 is: 391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.16 : 608.53 = 284.00 : x
  2. Step 2: Convert to fraction form
    441.16/608.53 = 284.00/x
  3. Step 3: Cross multiply
    441.16x = 608.53 × 284.00
  4. Step 4: Simplify right side
    441.16x = 172,821.05
  5. Step 5: Solve for x
    x = 172,821.05/441.16
  6. Step 6: Final answer
    x = 391.74

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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.