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Finding the Fourth Proportional to 497.88, 745.79 and 314.37

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Solution

The fourth proportional to 497.88, 745.79 and 314.37 is: 470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.88 : 745.79 = 314.37 : x
  2. Step 2: Convert to fraction form
    497.88/745.79 = 314.37/x
  3. Step 3: Cross multiply
    497.88x = 745.79 × 314.37
  4. Step 4: Simplify right side
    497.88x = 234,452.43
  5. Step 5: Solve for x
    x = 234,452.43/497.88
  6. Step 6: Final answer
    x = 470.90

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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.