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Finding the Fourth Proportional to 244.02, 336.18 and 188.58

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Solution

The fourth proportional to 244.02, 336.18 and 188.58 is: 259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.02 : 336.18 = 188.58 : x
  2. Step 2: Convert to fraction form
    244.02/336.18 = 188.58/x
  3. Step 3: Cross multiply
    244.02x = 336.18 × 188.58
  4. Step 4: Simplify right side
    244.02x = 63,396.82
  5. Step 5: Solve for x
    x = 63,396.82/244.02
  6. Step 6: Final answer
    x = 259.80

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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.