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Finding the Fourth Proportional to 340.14, 469.40 and 184.89

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Solution

The fourth proportional to 340.14, 469.40 and 184.89 is: 255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.14 : 469.40 = 184.89 : x
  2. Step 2: Convert to fraction form
    340.14/469.40 = 184.89/x
  3. Step 3: Cross multiply
    340.14x = 469.40 × 184.89
  4. Step 4: Simplify right side
    340.14x = 86,787.37
  5. Step 5: Solve for x
    x = 86,787.37/340.14
  6. Step 6: Final answer
    x = 255.15

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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.