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Finding the Fourth Proportional to 472.18, 708.33 and 183.82

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Solution

The fourth proportional to 472.18, 708.33 and 183.82 is: 275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.18 : 708.33 = 183.82 : x
  2. Step 2: Convert to fraction form
    472.18/708.33 = 183.82/x
  3. Step 3: Cross multiply
    472.18x = 708.33 × 183.82
  4. Step 4: Simplify right side
    472.18x = 130,205.22
  5. Step 5: Solve for x
    x = 130,205.22/472.18
  6. Step 6: Final answer
    x = 275.75

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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.