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Finding the Fourth Proportional to 793.84, 1,094 and 572.40

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Solution

The fourth proportional to 793.84, 1,094 and 572.40 is: 788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.84 : 1,094 = 572.40 : x
  2. Step 2: Convert to fraction form
    793.84/1,094 = 572.40/x
  3. Step 3: Cross multiply
    793.84x = 1,094 × 572.40
  4. Step 4: Simplify right side
    793.84x = 626,205.60
  5. Step 5: Solve for x
    x = 626,205.60/793.84
  6. Step 6: Final answer
    x = 788.83

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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.