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Finding the Fourth Proportional to 514.05, 709.36 and 293.03

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Solution

The fourth proportional to 514.05, 709.36 and 293.03 is: 404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.05 : 709.36 = 293.03 : x
  2. Step 2: Convert to fraction form
    514.05/709.36 = 293.03/x
  3. Step 3: Cross multiply
    514.05x = 709.36 × 293.03
  4. Step 4: Simplify right side
    514.05x = 207,864.80
  5. Step 5: Solve for x
    x = 207,864.80/514.05
  6. Step 6: Final answer
    x = 404.37

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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.