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Finding the Fourth Proportional to 579.07, 794.35 and 547.68

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Solution

The fourth proportional to 579.07, 794.35 and 547.68 is: 751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.07 : 794.35 = 547.68 : x
  2. Step 2: Convert to fraction form
    579.07/794.35 = 547.68/x
  3. Step 3: Cross multiply
    579.07x = 794.35 × 547.68
  4. Step 4: Simplify right side
    579.07x = 435,050.29
  5. Step 5: Solve for x
    x = 435,050.29/579.07
  6. Step 6: Final answer
    x = 751.30

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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.