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Finding the Fourth Proportional to 446.79, 671.22 and 264.32

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Solution

The fourth proportional to 446.79, 671.22 and 264.32 is: 397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.79 : 671.22 = 264.32 : x
  2. Step 2: Convert to fraction form
    446.79/671.22 = 264.32/x
  3. Step 3: Cross multiply
    446.79x = 671.22 × 264.32
  4. Step 4: Simplify right side
    446.79x = 177,413.51
  5. Step 5: Solve for x
    x = 177,413.51/446.79
  6. Step 6: Final answer
    x = 397.08

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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.