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Finding the Fourth Proportional to 529.93, 794.01 and 323.86

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Solution

The fourth proportional to 529.93, 794.01 and 323.86 is: 485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.93 : 794.01 = 323.86 : x
  2. Step 2: Convert to fraction form
    529.93/794.01 = 323.86/x
  3. Step 3: Cross multiply
    529.93x = 794.01 × 323.86
  4. Step 4: Simplify right side
    529.93x = 257,148.08
  5. Step 5: Solve for x
    x = 257,148.08/529.93
  6. Step 6: Final answer
    x = 485.25

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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.