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Finding the Fourth Proportional to 616.32, 923.67 and 269.37

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Solution

The fourth proportional to 616.32, 923.67 and 269.37 is: 403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.32 : 923.67 = 269.37 : x
  2. Step 2: Convert to fraction form
    616.32/923.67 = 269.37/x
  3. Step 3: Cross multiply
    616.32x = 923.67 × 269.37
  4. Step 4: Simplify right side
    616.32x = 248,808.99
  5. Step 5: Solve for x
    x = 248,808.99/616.32
  6. Step 6: Final answer
    x = 403.70

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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.