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Finding the Fourth Proportional to 624.93, 936.99 and 234.87

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Solution

The fourth proportional to 624.93, 936.99 and 234.87 is: 352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.93 : 936.99 = 234.87 : x
  2. Step 2: Convert to fraction form
    624.93/936.99 = 234.87/x
  3. Step 3: Cross multiply
    624.93x = 936.99 × 234.87
  4. Step 4: Simplify right side
    624.93x = 220,070.84
  5. Step 5: Solve for x
    x = 220,070.84/624.93
  6. Step 6: Final answer
    x = 352.15

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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.