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Finding the Fourth Proportional to 1,525.44, 2,286.48 and 659.04

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Solution

The fourth proportional to 1,525.44, 2,286.48 and 659.04 is: 987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.44 : 2,286.48 = 659.04 : x
  2. Step 2: Convert to fraction form
    1,525.44/2,286.48 = 659.04/x
  3. Step 3: Cross multiply
    1,525.44x = 2,286.48 × 659.04
  4. Step 4: Simplify right side
    1,525.44x = 1,506,881.78
  5. Step 5: Solve for x
    x = 1,506,881.78/1,525.44
  6. Step 6: Final answer
    x = 987.83

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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.