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Finding the Fourth Proportional to 143.95, 215.93 and 95.76

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Solution

The fourth proportional to 143.95, 215.93 and 95.76 is: 143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.95 : 215.93 = 95.76 : x
  2. Step 2: Convert to fraction form
    143.95/215.93 = 95.76/x
  3. Step 3: Cross multiply
    143.95x = 215.93 × 95.76
  4. Step 4: Simplify right side
    143.95x = 20,677.46
  5. Step 5: Solve for x
    x = 20,677.46/143.95
  6. Step 6: Final answer
    x = 143.64

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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.