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Finding the Fourth Proportional to 952.48, 1,316.04 and 757.72

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Solution

The fourth proportional to 952.48, 1,316.04 and 757.72 is: 1,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.48 : 1,316.04 = 757.72 : x
  2. Step 2: Convert to fraction form
    952.48/1,316.04 = 757.72/x
  3. Step 3: Cross multiply
    952.48x = 1,316.04 × 757.72
  4. Step 4: Simplify right side
    952.48x = 997,189.83
  5. Step 5: Solve for x
    x = 997,189.83/952.48
  6. Step 6: Final answer
    x = 1,046.94

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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.