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Finding the Fourth Proportional to 624.42, 936.63 and 259.01

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Solution

The fourth proportional to 624.42, 936.63 and 259.01 is: 388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.42 : 936.63 = 259.01 : x
  2. Step 2: Convert to fraction form
    624.42/936.63 = 259.01/x
  3. Step 3: Cross multiply
    624.42x = 936.63 × 259.01
  4. Step 4: Simplify right side
    624.42x = 242,596.54
  5. Step 5: Solve for x
    x = 242,596.54/624.42
  6. Step 6: Final answer
    x = 388.52

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.