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Finding the Fourth Proportional to 416.36, 624.53 and 233.93

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Solution

The fourth proportional to 416.36, 624.53 and 233.93 is: 350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.36 : 624.53 = 233.93 : x
  2. Step 2: Convert to fraction form
    416.36/624.53 = 233.93/x
  3. Step 3: Cross multiply
    416.36x = 624.53 × 233.93
  4. Step 4: Simplify right side
    416.36x = 146,093.77
  5. Step 5: Solve for x
    x = 146,093.77/416.36
  6. Step 6: Final answer
    x = 350.89

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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.