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Finding the Fourth Proportional to 123.18, 184.67 and 62.35

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Solution

The fourth proportional to 123.18, 184.67 and 62.35 is: 93.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.18 : 184.67 = 62.35 : x
  2. Step 2: Convert to fraction form
    123.18/184.67 = 62.35/x
  3. Step 3: Cross multiply
    123.18x = 184.67 × 62.35
  4. Step 4: Simplify right side
    123.18x = 11,514.17
  5. Step 5: Solve for x
    x = 11,514.17/123.18
  6. Step 6: Final answer
    x = 93.47

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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.