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Finding the Fourth Proportional to 247.64, 373.36 and 244.40

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Solution

The fourth proportional to 247.64, 373.36 and 244.40 is: 368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.64 : 373.36 = 244.40 : x
  2. Step 2: Convert to fraction form
    247.64/373.36 = 244.40/x
  3. Step 3: Cross multiply
    247.64x = 373.36 × 244.40
  4. Step 4: Simplify right side
    247.64x = 91,247.96
  5. Step 5: Solve for x
    x = 91,247.96/247.64
  6. Step 6: Final answer
    x = 368.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.