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Finding the Fourth Proportional to 1,304.17, 1,955.00 and 482.22

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Solution

The fourth proportional to 1,304.17, 1,955.00 and 482.22 is: 722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.17 : 1,955.00 = 482.22 : x
  2. Step 2: Convert to fraction form
    1,304.17/1,955.00 = 482.22/x
  3. Step 3: Cross multiply
    1,304.17x = 1,955.00 × 482.22
  4. Step 4: Simplify right side
    1,304.17x = 942,741.31
  5. Step 5: Solve for x
    x = 942,741.31/1,304.17
  6. Step 6: Final answer
    x = 722.87

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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.