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Finding the Fourth Proportional to 732.19, 1,098.48 and 245.17

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Solution

The fourth proportional to 732.19, 1,098.48 and 245.17 is: 367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.19 : 1,098.48 = 245.17 : x
  2. Step 2: Convert to fraction form
    732.19/1,098.48 = 245.17/x
  3. Step 3: Cross multiply
    732.19x = 1,098.48 × 245.17
  4. Step 4: Simplify right side
    732.19x = 269,314.34
  5. Step 5: Solve for x
    x = 269,314.34/732.19
  6. Step 6: Final answer
    x = 367.82

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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.