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Finding the Fourth Proportional to 866.01, 1,195.34 and 530.04

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Solution

The fourth proportional to 866.01, 1,195.34 and 530.04 is: 731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.01 : 1,195.34 = 530.04 : x
  2. Step 2: Convert to fraction form
    866.01/1,195.34 = 530.04/x
  3. Step 3: Cross multiply
    866.01x = 1,195.34 × 530.04
  4. Step 4: Simplify right side
    866.01x = 633,578.01
  5. Step 5: Solve for x
    x = 633,578.01/866.01
  6. Step 6: Final answer
    x = 731.61

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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.