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Finding the Fourth Proportional to 245.71, 368.29 and 101.25

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Solution

The fourth proportional to 245.71, 368.29 and 101.25 is: 151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.71 : 368.29 = 101.25 : x
  2. Step 2: Convert to fraction form
    245.71/368.29 = 101.25/x
  3. Step 3: Cross multiply
    245.71x = 368.29 × 101.25
  4. Step 4: Simplify right side
    245.71x = 37,288.86
  5. Step 5: Solve for x
    x = 37,288.86/245.71
  6. Step 6: Final answer
    x = 151.76

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