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Finding the Fourth Proportional to 495.10, 742.62 and 235.22

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Solution

The fourth proportional to 495.10, 742.62 and 235.22 is: 352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.10 : 742.62 = 235.22 : x
  2. Step 2: Convert to fraction form
    495.10/742.62 = 235.22/x
  3. Step 3: Cross multiply
    495.10x = 742.62 × 235.22
  4. Step 4: Simplify right side
    495.10x = 174,679.08
  5. Step 5: Solve for x
    x = 174,679.08/495.10
  6. Step 6: Final answer
    x = 352.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.