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Finding the Fourth Proportional to 465.26, 699.26 and 384.62

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Solution

The fourth proportional to 465.26, 699.26 and 384.62 is: 578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.26 : 699.26 = 384.62 : x
  2. Step 2: Convert to fraction form
    465.26/699.26 = 384.62/x
  3. Step 3: Cross multiply
    465.26x = 699.26 × 384.62
  4. Step 4: Simplify right side
    465.26x = 268,943.96
  5. Step 5: Solve for x
    x = 268,943.96/465.26
  6. Step 6: Final answer
    x = 578.06

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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.