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Finding the Fourth Proportional to 452.25, 677.99 and 192.24

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Solution

The fourth proportional to 452.25, 677.99 and 192.24 is: 288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.25 : 677.99 = 192.24 : x
  2. Step 2: Convert to fraction form
    452.25/677.99 = 192.24/x
  3. Step 3: Cross multiply
    452.25x = 677.99 × 192.24
  4. Step 4: Simplify right side
    452.25x = 130,337.28
  5. Step 5: Solve for x
    x = 130,337.28/452.25
  6. Step 6: Final answer
    x = 288.20

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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.