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Finding the Fourth Proportional to 968.77, 1,451.11 and 601.77

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Solution

The fourth proportional to 968.77, 1,451.11 and 601.77 is: 901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.77 : 1,451.11 = 601.77 : x
  2. Step 2: Convert to fraction form
    968.77/1,451.11 = 601.77/x
  3. Step 3: Cross multiply
    968.77x = 1,451.11 × 601.77
  4. Step 4: Simplify right side
    968.77x = 873,228.90
  5. Step 5: Solve for x
    x = 873,228.90/968.77
  6. Step 6: Final answer
    x = 901.38

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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.