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Finding the Fourth Proportional to 340.27, 506.84 and 322.93

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Solution

The fourth proportional to 340.27, 506.84 and 322.93 is: 481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.27 : 506.84 = 322.93 : x
  2. Step 2: Convert to fraction form
    340.27/506.84 = 322.93/x
  3. Step 3: Cross multiply
    340.27x = 506.84 × 322.93
  4. Step 4: Simplify right side
    340.27x = 163,673.84
  5. Step 5: Solve for x
    x = 163,673.84/340.27
  6. Step 6: Final answer
    x = 481.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.