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Finding the Fourth Proportional to 631.24, 946.25 and 323.24

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Solution

The fourth proportional to 631.24, 946.25 and 323.24 is: 484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.24 : 946.25 = 323.24 : x
  2. Step 2: Convert to fraction form
    631.24/946.25 = 323.24/x
  3. Step 3: Cross multiply
    631.24x = 946.25 × 323.24
  4. Step 4: Simplify right side
    631.24x = 305,859.50
  5. Step 5: Solve for x
    x = 305,859.50/631.24
  6. Step 6: Final answer
    x = 484.54

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.