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Finding the Fourth Proportional to 623.47, 934.23 and 233.36

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Solution

The fourth proportional to 623.47, 934.23 and 233.36 is: 349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.47 : 934.23 = 233.36 : x
  2. Step 2: Convert to fraction form
    623.47/934.23 = 233.36/x
  3. Step 3: Cross multiply
    623.47x = 934.23 × 233.36
  4. Step 4: Simplify right side
    623.47x = 218,010.75
  5. Step 5: Solve for x
    x = 218,010.75/623.47
  6. Step 6: Final answer
    x = 349.68

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.