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Finding the Fourth Proportional to 1,699.07, 2,548.65 and 466.55

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Solution

The fourth proportional to 1,699.07, 2,548.65 and 466.55 is: 699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.07 : 2,548.65 = 466.55 : x
  2. Step 2: Convert to fraction form
    1,699.07/2,548.65 = 466.55/x
  3. Step 3: Cross multiply
    1,699.07x = 2,548.65 × 466.55
  4. Step 4: Simplify right side
    1,699.07x = 1,189,059.91
  5. Step 5: Solve for x
    x = 1,189,059.91/1,699.07
  6. Step 6: Final answer
    x = 699.83

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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.