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Finding the Fourth Proportional to 425.52, 635.18 and 365.04

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Solution

The fourth proportional to 425.52, 635.18 and 365.04 is: 544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.52 : 635.18 = 365.04 : x
  2. Step 2: Convert to fraction form
    425.52/635.18 = 365.04/x
  3. Step 3: Cross multiply
    425.52x = 635.18 × 365.04
  4. Step 4: Simplify right side
    425.52x = 231,864.28
  5. Step 5: Solve for x
    x = 231,864.28/425.52
  6. Step 6: Final answer
    x = 544.90

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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.