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Finding the Fourth Proportional to 1,483.14, 2,224.74 and 510.36

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Solution

The fourth proportional to 1,483.14, 2,224.74 and 510.36 is: 765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.14 : 2,224.74 = 510.36 : x
  2. Step 2: Convert to fraction form
    1,483.14/2,224.74 = 510.36/x
  3. Step 3: Cross multiply
    1,483.14x = 2,224.74 × 510.36
  4. Step 4: Simplify right side
    1,483.14x = 1,135,418.31
  5. Step 5: Solve for x
    x = 1,135,418.31/1,483.14
  6. Step 6: Final answer
    x = 765.55

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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.