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Finding the Fourth Proportional to 795.05, 1,097.60 and 529.85

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Solution

The fourth proportional to 795.05, 1,097.60 and 529.85 is: 731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.05 : 1,097.60 = 529.85 : x
  2. Step 2: Convert to fraction form
    795.05/1,097.60 = 529.85/x
  3. Step 3: Cross multiply
    795.05x = 1,097.60 × 529.85
  4. Step 4: Simplify right side
    795.05x = 581,555.22
  5. Step 5: Solve for x
    x = 581,555.22/795.05
  6. Step 6: Final answer
    x = 731.47

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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.