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Finding the Fourth Proportional to 233.49, 351.62 and 187.93

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Solution

The fourth proportional to 233.49, 351.62 and 187.93 is: 283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.49 : 351.62 = 187.93 : x
  2. Step 2: Convert to fraction form
    233.49/351.62 = 187.93/x
  3. Step 3: Cross multiply
    233.49x = 351.62 × 187.93
  4. Step 4: Simplify right side
    233.49x = 66,080.15
  5. Step 5: Solve for x
    x = 66,080.15/233.49
  6. Step 6: Final answer
    x = 283.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.