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Finding the Fourth Proportional to 373.28, 517.88 and 358.24

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Solution

The fourth proportional to 373.28, 517.88 and 358.24 is: 497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.28 : 517.88 = 358.24 : x
  2. Step 2: Convert to fraction form
    373.28/517.88 = 358.24/x
  3. Step 3: Cross multiply
    373.28x = 517.88 × 358.24
  4. Step 4: Simplify right side
    373.28x = 185,525.33
  5. Step 5: Solve for x
    x = 185,525.33/373.28
  6. Step 6: Final answer
    x = 497.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.