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Finding the Fourth Proportional to 1,454.36, 2,181.49 and 467.24

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Solution

The fourth proportional to 1,454.36, 2,181.49 and 467.24 is: 700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.36 : 2,181.49 = 467.24 : x
  2. Step 2: Convert to fraction form
    1,454.36/2,181.49 = 467.24/x
  3. Step 3: Cross multiply
    1,454.36x = 2,181.49 × 467.24
  4. Step 4: Simplify right side
    1,454.36x = 1,019,275.20
  5. Step 5: Solve for x
    x = 1,019,275.20/1,454.36
  6. Step 6: Final answer
    x = 700.84

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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.