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Finding the Fourth Proportional to 704.29, 971.58 and 547.96

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Solution

The fourth proportional to 704.29, 971.58 and 547.96 is: 755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.29 : 971.58 = 547.96 : x
  2. Step 2: Convert to fraction form
    704.29/971.58 = 547.96/x
  3. Step 3: Cross multiply
    704.29x = 971.58 × 547.96
  4. Step 4: Simplify right side
    704.29x = 532,386.98
  5. Step 5: Solve for x
    x = 532,386.98/704.29
  6. Step 6: Final answer
    x = 755.92

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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.