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Finding the Fourth Proportional to 794.53, 1,096 and 561.25

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Solution

The fourth proportional to 794.53, 1,096 and 561.25 is: 774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.53 : 1,096 = 561.25 : x
  2. Step 2: Convert to fraction form
    794.53/1,096 = 561.25/x
  3. Step 3: Cross multiply
    794.53x = 1,096 × 561.25
  4. Step 4: Simplify right side
    794.53x = 615,130
  5. Step 5: Solve for x
    x = 615,130/794.53
  6. Step 6: Final answer
    x = 774.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.