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Finding the Fourth Proportional to 1,536.71, 2,304.32 and 659.41

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Solution

The fourth proportional to 1,536.71, 2,304.32 and 659.41 is: 988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.71 : 2,304.32 = 659.41 : x
  2. Step 2: Convert to fraction form
    1,536.71/2,304.32 = 659.41/x
  3. Step 3: Cross multiply
    1,536.71x = 2,304.32 × 659.41
  4. Step 4: Simplify right side
    1,536.71x = 1,519,482.59
  5. Step 5: Solve for x
    x = 1,519,482.59/1,536.71
  6. Step 6: Final answer
    x = 988.79

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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.