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Finding the Fourth Proportional to 883.95, 1,323.99 and 450.18

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Solution

The fourth proportional to 883.95, 1,323.99 and 450.18 is: 674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.95 : 1,323.99 = 450.18 : x
  2. Step 2: Convert to fraction form
    883.95/1,323.99 = 450.18/x
  3. Step 3: Cross multiply
    883.95x = 1,323.99 × 450.18
  4. Step 4: Simplify right side
    883.95x = 596,033.82
  5. Step 5: Solve for x
    x = 596,033.82/883.95
  6. Step 6: Final answer
    x = 674.28

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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.