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Finding the Fourth Proportional to 1,166.07, 1,748.75 and 344.32

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Solution

The fourth proportional to 1,166.07, 1,748.75 and 344.32 is: 516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.07 : 1,748.75 = 344.32 : x
  2. Step 2: Convert to fraction form
    1,166.07/1,748.75 = 344.32/x
  3. Step 3: Cross multiply
    1,166.07x = 1,748.75 × 344.32
  4. Step 4: Simplify right side
    1,166.07x = 602,129.60
  5. Step 5: Solve for x
    x = 602,129.60/1,166.07
  6. Step 6: Final answer
    x = 516.38

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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.