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Finding the Fourth Proportional to 624.89, 936.52 and 259.25

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Solution

The fourth proportional to 624.89, 936.52 and 259.25 is: 388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.89 : 936.52 = 259.25 : x
  2. Step 2: Convert to fraction form
    624.89/936.52 = 259.25/x
  3. Step 3: Cross multiply
    624.89x = 936.52 × 259.25
  4. Step 4: Simplify right side
    624.89x = 242,787.48
  5. Step 5: Solve for x
    x = 242,787.48/624.89
  6. Step 6: Final answer
    x = 388.53

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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.