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Finding the Fourth Proportional to 573.92, 857.52 and 425.04

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Solution

The fourth proportional to 573.92, 857.52 and 425.04 is: 635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.92 : 857.52 = 425.04 : x
  2. Step 2: Convert to fraction form
    573.92/857.52 = 425.04/x
  3. Step 3: Cross multiply
    573.92x = 857.52 × 425.04
  4. Step 4: Simplify right side
    573.92x = 364,480.30
  5. Step 5: Solve for x
    x = 364,480.30/573.92
  6. Step 6: Final answer
    x = 635.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.