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Finding the Fourth Proportional to 187.19, 279.04 and 176.93

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Solution

The fourth proportional to 187.19, 279.04 and 176.93 is: 263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.19 : 279.04 = 176.93 : x
  2. Step 2: Convert to fraction form
    187.19/279.04 = 176.93/x
  3. Step 3: Cross multiply
    187.19x = 279.04 × 176.93
  4. Step 4: Simplify right side
    187.19x = 49,370.59
  5. Step 5: Solve for x
    x = 49,370.59/187.19
  6. Step 6: Final answer
    x = 263.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.