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Finding the Fourth Proportional to 635.99, 948.39 and 585.50

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Solution

The fourth proportional to 635.99, 948.39 and 585.50 is: 873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.99 : 948.39 = 585.50 : x
  2. Step 2: Convert to fraction form
    635.99/948.39 = 585.50/x
  3. Step 3: Cross multiply
    635.99x = 948.39 × 585.50
  4. Step 4: Simplify right side
    635.99x = 555,282.35
  5. Step 5: Solve for x
    x = 555,282.35/635.99
  6. Step 6: Final answer
    x = 873.10

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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.