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Finding the Fourth Proportional to 1,166.83, 1,750.29 and 345.09

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Solution

The fourth proportional to 1,166.83, 1,750.29 and 345.09 is: 517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.83 : 1,750.29 = 345.09 : x
  2. Step 2: Convert to fraction form
    1,166.83/1,750.29 = 345.09/x
  3. Step 3: Cross multiply
    1,166.83x = 1,750.29 × 345.09
  4. Step 4: Simplify right side
    1,166.83x = 604,007.58
  5. Step 5: Solve for x
    x = 604,007.58/1,166.83
  6. Step 6: Final answer
    x = 517.65

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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.