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Finding the Fourth Proportional to 244.90, 366.72 and 162.38

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Solution

The fourth proportional to 244.90, 366.72 and 162.38 is: 243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.90 : 366.72 = 162.38 : x
  2. Step 2: Convert to fraction form
    244.90/366.72 = 162.38/x
  3. Step 3: Cross multiply
    244.90x = 366.72 × 162.38
  4. Step 4: Simplify right side
    244.90x = 59,547.99
  5. Step 5: Solve for x
    x = 59,547.99/244.90
  6. Step 6: Final answer
    x = 243.15

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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.