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Finding the Fourth Proportional to 529.67, 794.23 and 324.34

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Solution

The fourth proportional to 529.67, 794.23 and 324.34 is: 486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.67 : 794.23 = 324.34 : x
  2. Step 2: Convert to fraction form
    529.67/794.23 = 324.34/x
  3. Step 3: Cross multiply
    529.67x = 794.23 × 324.34
  4. Step 4: Simplify right side
    529.67x = 257,597.76
  5. Step 5: Solve for x
    x = 257,597.76/529.67
  6. Step 6: Final answer
    x = 486.33

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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.