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Finding the Fourth Proportional to 506.89, 700.53 and 382.51

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Solution

The fourth proportional to 506.89, 700.53 and 382.51 is: 528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.89 : 700.53 = 382.51 : x
  2. Step 2: Convert to fraction form
    506.89/700.53 = 382.51/x
  3. Step 3: Cross multiply
    506.89x = 700.53 × 382.51
  4. Step 4: Simplify right side
    506.89x = 267,959.73
  5. Step 5: Solve for x
    x = 267,959.73/506.89
  6. Step 6: Final answer
    x = 528.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.