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Finding the Fourth Proportional to 272.19, 373.31 and 269.00

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Solution

The fourth proportional to 272.19, 373.31 and 269.00 is: 368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.19 : 373.31 = 269.00 : x
  2. Step 2: Convert to fraction form
    272.19/373.31 = 269.00/x
  3. Step 3: Cross multiply
    272.19x = 373.31 × 269.00
  4. Step 4: Simplify right side
    272.19x = 100,417.18
  5. Step 5: Solve for x
    x = 100,417.18/272.19
  6. Step 6: Final answer
    x = 368.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.