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Finding the Fourth Proportional to 895.06, 1,234.03 and 579.76

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Solution

The fourth proportional to 895.06, 1,234.03 and 579.76 is: 799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.06 : 1,234.03 = 579.76 : x
  2. Step 2: Convert to fraction form
    895.06/1,234.03 = 579.76/x
  3. Step 3: Cross multiply
    895.06x = 1,234.03 × 579.76
  4. Step 4: Simplify right side
    895.06x = 715,441.23
  5. Step 5: Solve for x
    x = 715,441.23/895.06
  6. Step 6: Final answer
    x = 799.32

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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.