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Finding the Fourth Proportional to 459.05, 633.18 and 293.47

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Solution

The fourth proportional to 459.05, 633.18 and 293.47 is: 404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.05 : 633.18 = 293.47 : x
  2. Step 2: Convert to fraction form
    459.05/633.18 = 293.47/x
  3. Step 3: Cross multiply
    459.05x = 633.18 × 293.47
  4. Step 4: Simplify right side
    459.05x = 185,819.33
  5. Step 5: Solve for x
    x = 185,819.33/459.05
  6. Step 6: Final answer
    x = 404.79

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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.