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Finding the Fourth Proportional to 625.40, 936.89 and 336.23

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Solution

The fourth proportional to 625.40, 936.89 and 336.23 is: 503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.40 : 936.89 = 336.23 : x
  2. Step 2: Convert to fraction form
    625.40/936.89 = 336.23/x
  3. Step 3: Cross multiply
    625.40x = 936.89 × 336.23
  4. Step 4: Simplify right side
    625.40x = 315,015.15
  5. Step 5: Solve for x
    x = 315,015.15/625.40
  6. Step 6: Final answer
    x = 503.70

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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.