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Finding the Fourth Proportional to 187.76, 283.10 and 176.06

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Solution

The fourth proportional to 187.76, 283.10 and 176.06 is: 265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.76 : 283.10 = 176.06 : x
  2. Step 2: Convert to fraction form
    187.76/283.10 = 176.06/x
  3. Step 3: Cross multiply
    187.76x = 283.10 × 176.06
  4. Step 4: Simplify right side
    187.76x = 49,842.59
  5. Step 5: Solve for x
    x = 49,842.59/187.76
  6. Step 6: Final answer
    x = 265.46

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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.