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Finding the Fourth Proportional to 1,455.59, 2,182.91 and 633.62

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Solution

The fourth proportional to 1,455.59, 2,182.91 and 633.62 is: 950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.59 : 2,182.91 = 633.62 : x
  2. Step 2: Convert to fraction form
    1,455.59/2,182.91 = 633.62/x
  3. Step 3: Cross multiply
    1,455.59x = 2,182.91 × 633.62
  4. Step 4: Simplify right side
    1,455.59x = 1,383,121.35
  5. Step 5: Solve for x
    x = 1,383,121.35/1,455.59
  6. Step 6: Final answer
    x = 950.22

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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.