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Finding the Fourth Proportional to 632.45, 948.59 and 267.03

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Solution

The fourth proportional to 632.45, 948.59 and 267.03 is: 400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.45 : 948.59 = 267.03 : x
  2. Step 2: Convert to fraction form
    632.45/948.59 = 267.03/x
  3. Step 3: Cross multiply
    632.45x = 948.59 × 267.03
  4. Step 4: Simplify right side
    632.45x = 253,301.99
  5. Step 5: Solve for x
    x = 253,301.99/632.45
  6. Step 6: Final answer
    x = 400.51

Related Problems

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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.