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Finding the Fourth Proportional to 772.04, 1,157.88 and 224.10

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Solution

The fourth proportional to 772.04, 1,157.88 and 224.10 is: 336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772.04 : 1,157.88 = 224.10 : x
  2. Step 2: Convert to fraction form
    772.04/1,157.88 = 224.10/x
  3. Step 3: Cross multiply
    772.04x = 1,157.88 × 224.10
  4. Step 4: Simplify right side
    772.04x = 259,480.91
  5. Step 5: Solve for x
    x = 259,480.91/772.04
  6. Step 6: Final answer
    x = 336.10

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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.