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Finding the Fourth Proportional to 207.58, 310.36 and 177.50

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Solution

The fourth proportional to 207.58, 310.36 and 177.50 is: 265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.58 : 310.36 = 177.50 : x
  2. Step 2: Convert to fraction form
    207.58/310.36 = 177.50/x
  3. Step 3: Cross multiply
    207.58x = 310.36 × 177.50
  4. Step 4: Simplify right side
    207.58x = 55,087.79
  5. Step 5: Solve for x
    x = 55,087.79/207.58
  6. Step 6: Final answer
    x = 265.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.