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Finding the Fourth Proportional to 497.92, 745.67 and 292.55

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Solution

The fourth proportional to 497.92, 745.67 and 292.55 is: 438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.92 : 745.67 = 292.55 : x
  2. Step 2: Convert to fraction form
    497.92/745.67 = 292.55/x
  3. Step 3: Cross multiply
    497.92x = 745.67 × 292.55
  4. Step 4: Simplify right side
    497.92x = 218,144.67
  5. Step 5: Solve for x
    x = 218,144.67/497.92
  6. Step 6: Final answer
    x = 438.11

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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.