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Finding the Fourth Proportional to 529.69, 794.08 and 298.75

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Solution

The fourth proportional to 529.69, 794.08 and 298.75 is: 447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.69 : 794.08 = 298.75 : x
  2. Step 2: Convert to fraction form
    529.69/794.08 = 298.75/x
  3. Step 3: Cross multiply
    529.69x = 794.08 × 298.75
  4. Step 4: Simplify right side
    529.69x = 237,231.40
  5. Step 5: Solve for x
    x = 237,231.40/529.69
  6. Step 6: Final answer
    x = 447.87

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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.