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Finding the Fourth Proportional to 187.50, 279.93 and 167.93

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Solution

The fourth proportional to 187.50, 279.93 and 167.93 is: 250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.50 : 279.93 = 167.93 : x
  2. Step 2: Convert to fraction form
    187.50/279.93 = 167.93/x
  3. Step 3: Cross multiply
    187.50x = 279.93 × 167.93
  4. Step 4: Simplify right side
    187.50x = 47,008.64
  5. Step 5: Solve for x
    x = 47,008.64/187.50
  6. Step 6: Final answer
    x = 250.71

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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.