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Finding the Fourth Proportional to 1,006.22, 1,507.71 and 595.73

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Solution

The fourth proportional to 1,006.22, 1,507.71 and 595.73 is: 892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.22 : 1,507.71 = 595.73 : x
  2. Step 2: Convert to fraction form
    1,006.22/1,507.71 = 595.73/x
  3. Step 3: Cross multiply
    1,006.22x = 1,507.71 × 595.73
  4. Step 4: Simplify right side
    1,006.22x = 898,188.08
  5. Step 5: Solve for x
    x = 898,188.08/1,006.22
  6. Step 6: Final answer
    x = 892.64

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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.