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Finding the Fourth Proportional to 244.42, 337.29 and 139.51

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Solution

The fourth proportional to 244.42, 337.29 and 139.51 is: 192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.42 : 337.29 = 139.51 : x
  2. Step 2: Convert to fraction form
    244.42/337.29 = 139.51/x
  3. Step 3: Cross multiply
    244.42x = 337.29 × 139.51
  4. Step 4: Simplify right side
    244.42x = 47,055.23
  5. Step 5: Solve for x
    x = 47,055.23/244.42
  6. Step 6: Final answer
    x = 192.52

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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.