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Finding the Fourth Proportional to 582.73, 803.87 and 472.33

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Solution

The fourth proportional to 582.73, 803.87 and 472.33 is: 651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.73 : 803.87 = 472.33 : x
  2. Step 2: Convert to fraction form
    582.73/803.87 = 472.33/x
  3. Step 3: Cross multiply
    582.73x = 803.87 × 472.33
  4. Step 4: Simplify right side
    582.73x = 379,689.56
  5. Step 5: Solve for x
    x = 379,689.56/582.73
  6. Step 6: Final answer
    x = 651.57

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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.