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Finding the Fourth Proportional to 514.26, 775.71 and 484.32

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Solution

The fourth proportional to 514.26, 775.71 and 484.32 is: 730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.26 : 775.71 = 484.32 : x
  2. Step 2: Convert to fraction form
    514.26/775.71 = 484.32/x
  3. Step 3: Cross multiply
    514.26x = 775.71 × 484.32
  4. Step 4: Simplify right side
    514.26x = 375,691.87
  5. Step 5: Solve for x
    x = 375,691.87/514.26
  6. Step 6: Final answer
    x = 730.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.