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Finding the Fourth Proportional to 866.66, 1,195.02 and 601.18

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Solution

The fourth proportional to 866.66, 1,195.02 and 601.18 is: 828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.66 : 1,195.02 = 601.18 : x
  2. Step 2: Convert to fraction form
    866.66/1,195.02 = 601.18/x
  3. Step 3: Cross multiply
    866.66x = 1,195.02 × 601.18
  4. Step 4: Simplify right side
    866.66x = 718,419.14
  5. Step 5: Solve for x
    x = 718,419.14/866.66
  6. Step 6: Final answer
    x = 828.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.