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Finding the Fourth Proportional to 578.44, 793.50 and 547.05

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Solution

The fourth proportional to 578.44, 793.50 and 547.05 is: 750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.44 : 793.50 = 547.05 : x
  2. Step 2: Convert to fraction form
    578.44/793.50 = 547.05/x
  3. Step 3: Cross multiply
    578.44x = 793.50 × 547.05
  4. Step 4: Simplify right side
    578.44x = 434,085.10
  5. Step 5: Solve for x
    x = 434,085.10/578.44
  6. Step 6: Final answer
    x = 750.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.