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Finding the Fourth Proportional to 357.94, 494.05 and 293.14

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Solution

The fourth proportional to 357.94, 494.05 and 293.14 is: 404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.94 : 494.05 = 293.14 : x
  2. Step 2: Convert to fraction form
    357.94/494.05 = 293.14/x
  3. Step 3: Cross multiply
    357.94x = 494.05 × 293.14
  4. Step 4: Simplify right side
    357.94x = 144,823.35
  5. Step 5: Solve for x
    x = 144,823.35/357.94
  6. Step 6: Final answer
    x = 404.61

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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.