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Finding the Fourth Proportional to 1,608.06, 2,411.55 and 567.87

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Solution

The fourth proportional to 1,608.06, 2,411.55 and 567.87 is: 851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.06 : 2,411.55 = 567.87 : x
  2. Step 2: Convert to fraction form
    1,608.06/2,411.55 = 567.87/x
  3. Step 3: Cross multiply
    1,608.06x = 2,411.55 × 567.87
  4. Step 4: Simplify right side
    1,608.06x = 1,369,446.90
  5. Step 5: Solve for x
    x = 1,369,446.90/1,608.06
  6. Step 6: Final answer
    x = 851.61

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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.