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Finding the Fourth Proportional to 624.93, 936.18 and 300.53

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Solution

The fourth proportional to 624.93, 936.18 and 300.53 is: 450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.93 : 936.18 = 300.53 : x
  2. Step 2: Convert to fraction form
    624.93/936.18 = 300.53/x
  3. Step 3: Cross multiply
    624.93x = 936.18 × 300.53
  4. Step 4: Simplify right side
    624.93x = 281,345.49
  5. Step 5: Solve for x
    x = 281,345.49/624.93
  6. Step 6: Final answer
    x = 450.20

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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.