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Finding the Fourth Proportional to 941.13, 1,298.52 and 568.11

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Solution

The fourth proportional to 941.13, 1,298.52 and 568.11 is: 783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.13 : 1,298.52 = 568.11 : x
  2. Step 2: Convert to fraction form
    941.13/1,298.52 = 568.11/x
  3. Step 3: Cross multiply
    941.13x = 1,298.52 × 568.11
  4. Step 4: Simplify right side
    941.13x = 737,702.20
  5. Step 5: Solve for x
    x = 737,702.20/941.13
  6. Step 6: Final answer
    x = 783.85

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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.