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Finding the Fourth Proportional to 373.52, 556.14 and 368.40

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Solution

The fourth proportional to 373.52, 556.14 and 368.40 is: 548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.52 : 556.14 = 368.40 : x
  2. Step 2: Convert to fraction form
    373.52/556.14 = 368.40/x
  3. Step 3: Cross multiply
    373.52x = 556.14 × 368.40
  4. Step 4: Simplify right side
    373.52x = 204,881.98
  5. Step 5: Solve for x
    x = 204,881.98/373.52
  6. Step 6: Final answer
    x = 548.52

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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.