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Finding the Fourth Proportional to 832.07, 1,248.24 and 254.81

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Solution

The fourth proportional to 832.07, 1,248.24 and 254.81 is: 382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.07 : 1,248.24 = 254.81 : x
  2. Step 2: Convert to fraction form
    832.07/1,248.24 = 254.81/x
  3. Step 3: Cross multiply
    832.07x = 1,248.24 × 254.81
  4. Step 4: Simplify right side
    832.07x = 318,068.11
  5. Step 5: Solve for x
    x = 318,068.11/832.07
  6. Step 6: Final answer
    x = 382.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.