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Finding the Fourth Proportional to 228.51, 341.59 and 170.70

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Solution

The fourth proportional to 228.51, 341.59 and 170.70 is: 255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.51 : 341.59 = 170.70 : x
  2. Step 2: Convert to fraction form
    228.51/341.59 = 170.70/x
  3. Step 3: Cross multiply
    228.51x = 341.59 × 170.70
  4. Step 4: Simplify right side
    228.51x = 58,309.41
  5. Step 5: Solve for x
    x = 58,309.41/228.51
  6. Step 6: Final answer
    x = 255.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.