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Finding the Fourth Proportional to 624.24, 936.36 and 234.32

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Solution

The fourth proportional to 624.24, 936.36 and 234.32 is: 351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.24 : 936.36 = 234.32 : x
  2. Step 2: Convert to fraction form
    624.24/936.36 = 234.32/x
  3. Step 3: Cross multiply
    624.24x = 936.36 × 234.32
  4. Step 4: Simplify right side
    624.24x = 219,407.88
  5. Step 5: Solve for x
    x = 219,407.88/624.24
  6. Step 6: Final answer
    x = 351.48

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.