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Finding the Fourth Proportional to 632.01, 948.14 and 221.19

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Solution

The fourth proportional to 632.01, 948.14 and 221.19 is: 331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.01 : 948.14 = 221.19 : x
  2. Step 2: Convert to fraction form
    632.01/948.14 = 221.19/x
  3. Step 3: Cross multiply
    632.01x = 948.14 × 221.19
  4. Step 4: Simplify right side
    632.01x = 209,719.64
  5. Step 5: Solve for x
    x = 209,719.64/632.01
  6. Step 6: Final answer
    x = 331.83

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.