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Finding the Fourth Proportional to 952.39, 1,313.71 and 603.28

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Solution

The fourth proportional to 952.39, 1,313.71 and 603.28 is: 832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.39 : 1,313.71 = 603.28 : x
  2. Step 2: Convert to fraction form
    952.39/1,313.71 = 603.28/x
  3. Step 3: Cross multiply
    952.39x = 1,313.71 × 603.28
  4. Step 4: Simplify right side
    952.39x = 792,534.97
  5. Step 5: Solve for x
    x = 792,534.97/952.39
  6. Step 6: Final answer
    x = 832.15

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1.5x scale

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.