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Finding the Fourth Proportional to 672.30, 1,001.01 and 632.22

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Solution

The fourth proportional to 672.30, 1,001.01 and 632.22 is: 941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.30 : 1,001.01 = 632.22 : x
  2. Step 2: Convert to fraction form
    672.30/1,001.01 = 632.22/x
  3. Step 3: Cross multiply
    672.30x = 1,001.01 × 632.22
  4. Step 4: Simplify right side
    672.30x = 632,858.54
  5. Step 5: Solve for x
    x = 632,858.54/672.30
  6. Step 6: Final answer
    x = 941.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.