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Finding the Fourth Proportional to 632.66, 949.04 and 324.32

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Solution

The fourth proportional to 632.66, 949.04 and 324.32 is: 486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.66 : 949.04 = 324.32 : x
  2. Step 2: Convert to fraction form
    632.66/949.04 = 324.32/x
  3. Step 3: Cross multiply
    632.66x = 949.04 × 324.32
  4. Step 4: Simplify right side
    632.66x = 307,786.29
  5. Step 5: Solve for x
    x = 307,786.29/632.66
  6. Step 6: Final answer
    x = 486.50

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.