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Finding the Fourth Proportional to 373.71, 512.16 and 368.88

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Solution

The fourth proportional to 373.71, 512.16 and 368.88 is: 505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.71 : 512.16 = 368.88 : x
  2. Step 2: Convert to fraction form
    373.71/512.16 = 368.88/x
  3. Step 3: Cross multiply
    373.71x = 512.16 × 368.88
  4. Step 4: Simplify right side
    373.71x = 188,925.58
  5. Step 5: Solve for x
    x = 188,925.58/373.71
  6. Step 6: Final answer
    x = 505.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.