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Finding the Fourth Proportional to 1,955.50, 2,933.18 and 568.88

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Solution

The fourth proportional to 1,955.50, 2,933.18 and 568.88 is: 853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.50 : 2,933.18 = 568.88 : x
  2. Step 2: Convert to fraction form
    1,955.50/2,933.18 = 568.88/x
  3. Step 3: Cross multiply
    1,955.50x = 2,933.18 × 568.88
  4. Step 4: Simplify right side
    1,955.50x = 1,668,627.44
  5. Step 5: Solve for x
    x = 1,668,627.44/1,955.50
  6. Step 6: Final answer
    x = 853.30

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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.