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Finding the Fourth Proportional to 635.58, 948.38 and 562.68

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Solution

The fourth proportional to 635.58, 948.38 and 562.68 is: 839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.58 : 948.38 = 562.68 : x
  2. Step 2: Convert to fraction form
    635.58/948.38 = 562.68/x
  3. Step 3: Cross multiply
    635.58x = 948.38 × 562.68
  4. Step 4: Simplify right side
    635.58x = 533,634.46
  5. Step 5: Solve for x
    x = 533,634.46/635.58
  6. Step 6: Final answer
    x = 839.60

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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.