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Finding the Fourth Proportional to 493.01, 738.19 and 395.07

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Solution

The fourth proportional to 493.01, 738.19 and 395.07 is: 591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.01 : 738.19 = 395.07 : x
  2. Step 2: Convert to fraction form
    493.01/738.19 = 395.07/x
  3. Step 3: Cross multiply
    493.01x = 738.19 × 395.07
  4. Step 4: Simplify right side
    493.01x = 291,636.72
  5. Step 5: Solve for x
    x = 291,636.72/493.01
  6. Step 6: Final answer
    x = 591.54

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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.