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Finding the Fourth Proportional to 351.63, 527.04 and 264.69

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Solution

The fourth proportional to 351.63, 527.04 and 264.69 is: 396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.63 : 527.04 = 264.69 : x
  2. Step 2: Convert to fraction form
    351.63/527.04 = 264.69/x
  3. Step 3: Cross multiply
    351.63x = 527.04 × 264.69
  4. Step 4: Simplify right side
    351.63x = 139,498.26
  5. Step 5: Solve for x
    x = 139,498.26/351.63
  6. Step 6: Final answer
    x = 396.72

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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.