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Finding the Fourth Proportional to 880.98, 1,322.97 and 734.58

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Solution

The fourth proportional to 880.98, 1,322.97 and 734.58 is: 1,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.98 : 1,322.97 = 734.58 : x
  2. Step 2: Convert to fraction form
    880.98/1,322.97 = 734.58/x
  3. Step 3: Cross multiply
    880.98x = 1,322.97 × 734.58
  4. Step 4: Simplify right side
    880.98x = 971,827.30
  5. Step 5: Solve for x
    x = 971,827.30/880.98
  6. Step 6: Final answer
    x = 1,103.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.