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Finding the Fourth Proportional to 1,185.93, 1,779.75 and 527.97

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Solution

The fourth proportional to 1,185.93, 1,779.75 and 527.97 is: 792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.93 : 1,779.75 = 527.97 : x
  2. Step 2: Convert to fraction form
    1,185.93/1,779.75 = 527.97/x
  3. Step 3: Cross multiply
    1,185.93x = 1,779.75 × 527.97
  4. Step 4: Simplify right side
    1,185.93x = 939,654.61
  5. Step 5: Solve for x
    x = 939,654.61/1,185.93
  6. Step 6: Final answer
    x = 792.34

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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.