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Finding the Fourth Proportional to 582.34, 872.66 and 293.38

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Solution

The fourth proportional to 582.34, 872.66 and 293.38 is: 439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.34 : 872.66 = 293.38 : x
  2. Step 2: Convert to fraction form
    582.34/872.66 = 293.38/x
  3. Step 3: Cross multiply
    582.34x = 872.66 × 293.38
  4. Step 4: Simplify right side
    582.34x = 256,020.99
  5. Step 5: Solve for x
    x = 256,020.99/582.34
  6. Step 6: Final answer
    x = 439.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.