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Finding the Fourth Proportional to 624.08, 936.12 and 213.01

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Solution

The fourth proportional to 624.08, 936.12 and 213.01 is: 319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.08 : 936.12 = 213.01 : x
  2. Step 2: Convert to fraction form
    624.08/936.12 = 213.01/x
  3. Step 3: Cross multiply
    624.08x = 936.12 × 213.01
  4. Step 4: Simplify right side
    624.08x = 199,398.24
  5. Step 5: Solve for x
    x = 199,398.24/624.08
  6. Step 6: Final answer
    x = 319.51

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.