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Finding the Fourth Proportional to 895.86, 1,236.89 and 560.27

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Solution

The fourth proportional to 895.86, 1,236.89 and 560.27 is: 773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.86 : 1,236.89 = 560.27 : x
  2. Step 2: Convert to fraction form
    895.86/1,236.89 = 560.27/x
  3. Step 3: Cross multiply
    895.86x = 1,236.89 × 560.27
  4. Step 4: Simplify right side
    895.86x = 692,992.36
  5. Step 5: Solve for x
    x = 692,992.36/895.86
  6. Step 6: Final answer
    x = 773.55

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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.