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Finding the Fourth Proportional to 468.15, 701.64 and 351.69

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Solution

The fourth proportional to 468.15, 701.64 and 351.69 is: 527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.15 : 701.64 = 351.69 : x
  2. Step 2: Convert to fraction form
    468.15/701.64 = 351.69/x
  3. Step 3: Cross multiply
    468.15x = 701.64 × 351.69
  4. Step 4: Simplify right side
    468.15x = 246,759.77
  5. Step 5: Solve for x
    x = 246,759.77/468.15
  6. Step 6: Final answer
    x = 527.10

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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.