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Finding the Fourth Proportional to 951.86, 1,313.88 and 603.02

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Solution

The fourth proportional to 951.86, 1,313.88 and 603.02 is: 832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.86 : 1,313.88 = 603.02 : x
  2. Step 2: Convert to fraction form
    951.86/1,313.88 = 603.02/x
  3. Step 3: Cross multiply
    951.86x = 1,313.88 × 603.02
  4. Step 4: Simplify right side
    951.86x = 792,295.92
  5. Step 5: Solve for x
    x = 792,295.92/951.86
  6. Step 6: Final answer
    x = 832.37

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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.