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Finding the Fourth Proportional to 532.00, 733.33 and 438.60

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Solution

The fourth proportional to 532.00, 733.33 and 438.60 is: 604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.00 : 733.33 = 438.60 : x
  2. Step 2: Convert to fraction form
    532.00/733.33 = 438.60/x
  3. Step 3: Cross multiply
    532.00x = 733.33 × 438.60
  4. Step 4: Simplify right side
    532.00x = 321,634.93
  5. Step 5: Solve for x
    x = 321,634.93/532.00
  6. Step 6: Final answer
    x = 604.58

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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.