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Finding the Fourth Proportional to 244.64, 337.50 and 151.28

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Solution

The fourth proportional to 244.64, 337.50 and 151.28 is: 208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.64 : 337.50 = 151.28 : x
  2. Step 2: Convert to fraction form
    244.64/337.50 = 151.28/x
  3. Step 3: Cross multiply
    244.64x = 337.50 × 151.28
  4. Step 4: Simplify right side
    244.64x = 51,057
  5. Step 5: Solve for x
    x = 51,057/244.64
  6. Step 6: Final answer
    x = 208.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.