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Finding the Fourth Proportional to 477.84, 716.64 and 234.44

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Solution

The fourth proportional to 477.84, 716.64 and 234.44 is: 351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.84 : 716.64 = 234.44 : x
  2. Step 2: Convert to fraction form
    477.84/716.64 = 234.44/x
  3. Step 3: Cross multiply
    477.84x = 716.64 × 234.44
  4. Step 4: Simplify right side
    477.84x = 168,009.08
  5. Step 5: Solve for x
    x = 168,009.08/477.84
  6. Step 6: Final answer
    x = 351.60

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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.