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Finding the Fourth Proportional to 459.47, 634.27 and 293.65

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Solution

The fourth proportional to 459.47, 634.27 and 293.65 is: 405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.47 : 634.27 = 293.65 : x
  2. Step 2: Convert to fraction form
    459.47/634.27 = 293.65/x
  3. Step 3: Cross multiply
    459.47x = 634.27 × 293.65
  4. Step 4: Simplify right side
    459.47x = 186,251.07
  5. Step 5: Solve for x
    x = 186,251.07/459.47
  6. Step 6: Final answer
    x = 405.36

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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.