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Finding the Fourth Proportional to 952.32, 1,313.76 and 672.56

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Solution

The fourth proportional to 952.32, 1,313.76 and 672.56 is: 927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.32 : 1,313.76 = 672.56 : x
  2. Step 2: Convert to fraction form
    952.32/1,313.76 = 672.56/x
  3. Step 3: Cross multiply
    952.32x = 1,313.76 × 672.56
  4. Step 4: Simplify right side
    952.32x = 883,582.43
  5. Step 5: Solve for x
    x = 883,582.43/952.32
  6. Step 6: Final answer
    x = 927.82

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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.