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Finding the Fourth Proportional to 895.33, 1,235.78 and 546.31

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Solution

The fourth proportional to 895.33, 1,235.78 and 546.31 is: 754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.33 : 1,235.78 = 546.31 : x
  2. Step 2: Convert to fraction form
    895.33/1,235.78 = 546.31/x
  3. Step 3: Cross multiply
    895.33x = 1,235.78 × 546.31
  4. Step 4: Simplify right side
    895.33x = 675,118.97
  5. Step 5: Solve for x
    x = 675,118.97/895.33
  6. Step 6: Final answer
    x = 754.04

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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.