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Finding the Fourth Proportional to 1,468.68, 2,203.13 and 635.79

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Solution

The fourth proportional to 1,468.68, 2,203.13 and 635.79 is: 953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.68 : 2,203.13 = 635.79 : x
  2. Step 2: Convert to fraction form
    1,468.68/2,203.13 = 635.79/x
  3. Step 3: Cross multiply
    1,468.68x = 2,203.13 × 635.79
  4. Step 4: Simplify right side
    1,468.68x = 1,400,737.87
  5. Step 5: Solve for x
    x = 1,400,737.87/1,468.68
  6. Step 6: Final answer
    x = 953.74

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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.