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Finding the Fourth Proportional to 941.58, 1,299.50 and 568.77

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Solution

The fourth proportional to 941.58, 1,299.50 and 568.77 is: 784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.58 : 1,299.50 = 568.77 : x
  2. Step 2: Convert to fraction form
    941.58/1,299.50 = 568.77/x
  3. Step 3: Cross multiply
    941.58x = 1,299.50 × 568.77
  4. Step 4: Simplify right side
    941.58x = 739,116.62
  5. Step 5: Solve for x
    x = 739,116.62/941.58
  6. Step 6: Final answer
    x = 784.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.