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Finding the Fourth Proportional to 953.94, 1,315.86 and 600.06

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Solution

The fourth proportional to 953.94, 1,315.86 and 600.06 is: 827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.94 : 1,315.86 = 600.06 : x
  2. Step 2: Convert to fraction form
    953.94/1,315.86 = 600.06/x
  3. Step 3: Cross multiply
    953.94x = 1,315.86 × 600.06
  4. Step 4: Simplify right side
    953.94x = 789,594.95
  5. Step 5: Solve for x
    x = 789,594.95/953.94
  6. Step 6: Final answer
    x = 827.72

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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.