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Finding the Fourth Proportional to 591.78, 883.64 and 468.66

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Solution

The fourth proportional to 591.78, 883.64 and 468.66 is: 699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.78 : 883.64 = 468.66 : x
  2. Step 2: Convert to fraction form
    591.78/883.64 = 468.66/x
  3. Step 3: Cross multiply
    591.78x = 883.64 × 468.66
  4. Step 4: Simplify right side
    591.78x = 414,126.72
  5. Step 5: Solve for x
    x = 414,126.72/591.78
  6. Step 6: Final answer
    x = 699.80

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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.