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Finding the Fourth Proportional to 952.32, 1,314.08 and 538.32

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Solution

The fourth proportional to 952.32, 1,314.08 and 538.32 is: 742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.32 : 1,314.08 = 538.32 : x
  2. Step 2: Convert to fraction form
    952.32/1,314.08 = 538.32/x
  3. Step 3: Cross multiply
    952.32x = 1,314.08 × 538.32
  4. Step 4: Simplify right side
    952.32x = 707,395.55
  5. Step 5: Solve for x
    x = 707,395.55/952.32
  6. Step 6: Final answer
    x = 742.81

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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.