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Finding the Fourth Proportional to 373.82, 556.60 and 368.60

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Solution

The fourth proportional to 373.82, 556.60 and 368.60 is: 548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.82 : 556.60 = 368.60 : x
  2. Step 2: Convert to fraction form
    373.82/556.60 = 368.60/x
  3. Step 3: Cross multiply
    373.82x = 556.60 × 368.60
  4. Step 4: Simplify right side
    373.82x = 205,162.76
  5. Step 5: Solve for x
    x = 205,162.76/373.82
  6. Step 6: Final answer
    x = 548.83

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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.