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Finding the Fourth Proportional to 357.62, 493.63 and 233.06

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Solution

The fourth proportional to 357.62, 493.63 and 233.06 is: 321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.62 : 493.63 = 233.06 : x
  2. Step 2: Convert to fraction form
    357.62/493.63 = 233.06/x
  3. Step 3: Cross multiply
    357.62x = 493.63 × 233.06
  4. Step 4: Simplify right side
    357.62x = 115,045.41
  5. Step 5: Solve for x
    x = 115,045.41/357.62
  6. Step 6: Final answer
    x = 321.70

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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.