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Finding the Fourth Proportional to 635.01, 952.58 and 520.47

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Solution

The fourth proportional to 635.01, 952.58 and 520.47 is: 780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.01 : 952.58 = 520.47 : x
  2. Step 2: Convert to fraction form
    635.01/952.58 = 520.47/x
  3. Step 3: Cross multiply
    635.01x = 952.58 × 520.47
  4. Step 4: Simplify right side
    635.01x = 495,786.71
  5. Step 5: Solve for x
    x = 495,786.71/635.01
  6. Step 6: Final answer
    x = 780.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.