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Finding the Fourth Proportional to 191.04, 263.04 and 177.60

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Solution

The fourth proportional to 191.04, 263.04 and 177.60 is: 244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.04 : 263.04 = 177.60 : x
  2. Step 2: Convert to fraction form
    191.04/263.04 = 177.60/x
  3. Step 3: Cross multiply
    191.04x = 263.04 × 177.60
  4. Step 4: Simplify right side
    191.04x = 46,715.90
  5. Step 5: Solve for x
    x = 46,715.90/191.04
  6. Step 6: Final answer
    x = 244.53

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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.