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Finding the Fourth Proportional to 488.04, 732.26 and 271.36

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Solution

The fourth proportional to 488.04, 732.26 and 271.36 is: 407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.04 : 732.26 = 271.36 : x
  2. Step 2: Convert to fraction form
    488.04/732.26 = 271.36/x
  3. Step 3: Cross multiply
    488.04x = 732.26 × 271.36
  4. Step 4: Simplify right side
    488.04x = 198,706.07
  5. Step 5: Solve for x
    x = 198,706.07/488.04
  6. Step 6: Final answer
    x = 407.15

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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.