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Finding the Fourth Proportional to 888.22, 1,225.38 and 573.44

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Solution

The fourth proportional to 888.22, 1,225.38 and 573.44 is: 791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.22 : 1,225.38 = 573.44 : x
  2. Step 2: Convert to fraction form
    888.22/1,225.38 = 573.44/x
  3. Step 3: Cross multiply
    888.22x = 1,225.38 × 573.44
  4. Step 4: Simplify right side
    888.22x = 702,681.91
  5. Step 5: Solve for x
    x = 702,681.91/888.22
  6. Step 6: Final answer
    x = 791.11

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Half scale
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Double scale
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1.5x scale

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.