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Finding the Fourth Proportional to 574.97, 797.52 and 555.30

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Solution

The fourth proportional to 574.97, 797.52 and 555.30 is: 770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.97 : 797.52 = 555.30 : x
  2. Step 2: Convert to fraction form
    574.97/797.52 = 555.30/x
  3. Step 3: Cross multiply
    574.97x = 797.52 × 555.30
  4. Step 4: Simplify right side
    574.97x = 442,862.86
  5. Step 5: Solve for x
    x = 442,862.86/574.97
  6. Step 6: Final answer
    x = 770.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.