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Finding the Fourth Proportional to 795.75, 1,098.14 and 446.45

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Solution

The fourth proportional to 795.75, 1,098.14 and 446.45 is: 616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.75 : 1,098.14 = 446.45 : x
  2. Step 2: Convert to fraction form
    795.75/1,098.14 = 446.45/x
  3. Step 3: Cross multiply
    795.75x = 1,098.14 × 446.45
  4. Step 4: Simplify right side
    795.75x = 490,256.88
  5. Step 5: Solve for x
    x = 490,256.88/795.75
  6. Step 6: Final answer
    x = 616.09

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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.