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Finding the Fourth Proportional to 675.79, 1,007.71 and 593.86

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Solution

The fourth proportional to 675.79, 1,007.71 and 593.86 is: 885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.79 : 1,007.71 = 593.86 : x
  2. Step 2: Convert to fraction form
    675.79/1,007.71 = 593.86/x
  3. Step 3: Cross multiply
    675.79x = 1,007.71 × 593.86
  4. Step 4: Simplify right side
    675.79x = 598,438.66
  5. Step 5: Solve for x
    x = 598,438.66/675.79
  6. Step 6: Final answer
    x = 885.54

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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.