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Finding the Fourth Proportional to 842.44, 1,162.32 and 576.88

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Solution

The fourth proportional to 842.44, 1,162.32 and 576.88 is: 795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    842.44 : 1,162.32 = 576.88 : x
  2. Step 2: Convert to fraction form
    842.44/1,162.32 = 576.88/x
  3. Step 3: Cross multiply
    842.44x = 1,162.32 × 576.88
  4. Step 4: Simplify right side
    842.44x = 670,519.16
  5. Step 5: Solve for x
    x = 670,519.16/842.44
  6. Step 6: Final answer
    x = 795.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.