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Finding the Fourth Proportional to 624.33, 936.23 and 234.18

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Solution

The fourth proportional to 624.33, 936.23 and 234.18 is: 351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.33 : 936.23 = 234.18 : x
  2. Step 2: Convert to fraction form
    624.33/936.23 = 234.18/x
  3. Step 3: Cross multiply
    624.33x = 936.23 × 234.18
  4. Step 4: Simplify right side
    624.33x = 219,245.17
  5. Step 5: Solve for x
    x = 219,245.17/624.33
  6. Step 6: Final answer
    x = 351.17

Related Problems

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Half scale
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Double scale
Find fourth proportional to 625.33, 937.72 and 235.18
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.