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Finding the Fourth Proportional to 881.85, 1,322.77 and 552.99

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Solution

The fourth proportional to 881.85, 1,322.77 and 552.99 is: 829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.85 : 1,322.77 = 552.99 : x
  2. Step 2: Convert to fraction form
    881.85/1,322.77 = 552.99/x
  3. Step 3: Cross multiply
    881.85x = 1,322.77 × 552.99
  4. Step 4: Simplify right side
    881.85x = 731,478.58
  5. Step 5: Solve for x
    x = 731,478.58/881.85
  6. Step 6: Final answer
    x = 829.48

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Double scale
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1.5x scale

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.