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Finding the Fourth Proportional to 465.29, 696.51 and 377.81

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Solution

The fourth proportional to 465.29, 696.51 and 377.81 is: 565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.29 : 696.51 = 377.81 : x
  2. Step 2: Convert to fraction form
    465.29/696.51 = 377.81/x
  3. Step 3: Cross multiply
    465.29x = 696.51 × 377.81
  4. Step 4: Simplify right side
    465.29x = 263,144.96
  5. Step 5: Solve for x
    x = 263,144.96/465.29
  6. Step 6: Final answer
    x = 565.56

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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.