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Finding the Fourth Proportional to 611.23, 914.94 and 332.89

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Solution

The fourth proportional to 611.23, 914.94 and 332.89 is: 498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.23 : 914.94 = 332.89 : x
  2. Step 2: Convert to fraction form
    611.23/914.94 = 332.89/x
  3. Step 3: Cross multiply
    611.23x = 914.94 × 332.89
  4. Step 4: Simplify right side
    611.23x = 304,574.38
  5. Step 5: Solve for x
    x = 304,574.38/611.23
  6. Step 6: Final answer
    x = 498.30

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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.