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Finding the Fourth Proportional to 375.04, 517.88 and 235.40

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Solution

The fourth proportional to 375.04, 517.88 and 235.40 is: 325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.04 : 517.88 = 235.40 : x
  2. Step 2: Convert to fraction form
    375.04/517.88 = 235.40/x
  3. Step 3: Cross multiply
    375.04x = 517.88 × 235.40
  4. Step 4: Simplify right side
    375.04x = 121,905.19
  5. Step 5: Solve for x
    x = 121,905.19/375.04
  6. Step 6: Final answer
    x = 325.05

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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.