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Finding the Fourth Proportional to 1,454.66, 2,182.28 and 576.99

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Solution

The fourth proportional to 1,454.66, 2,182.28 and 576.99 is: 865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.66 : 2,182.28 = 576.99 : x
  2. Step 2: Convert to fraction form
    1,454.66/2,182.28 = 576.99/x
  3. Step 3: Cross multiply
    1,454.66x = 2,182.28 × 576.99
  4. Step 4: Simplify right side
    1,454.66x = 1,259,150.85
  5. Step 5: Solve for x
    x = 1,259,150.85/1,454.66
  6. Step 6: Final answer
    x = 865.60

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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.