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Finding the Fourth Proportional to 412.07, 568.02 and 293.79

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Solution

The fourth proportional to 412.07, 568.02 and 293.79 is: 404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.07 : 568.02 = 293.79 : x
  2. Step 2: Convert to fraction form
    412.07/568.02 = 293.79/x
  3. Step 3: Cross multiply
    412.07x = 568.02 × 293.79
  4. Step 4: Simplify right side
    412.07x = 166,880.71
  5. Step 5: Solve for x
    x = 166,880.71/412.07
  6. Step 6: Final answer
    x = 404.98

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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.