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Finding the Fourth Proportional to 1,014.15, 1,527.17 and 885.67

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Solution

The fourth proportional to 1,014.15, 1,527.17 and 885.67 is: 1,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.15 : 1,527.17 = 885.67 : x
  2. Step 2: Convert to fraction form
    1,014.15/1,527.17 = 885.67/x
  3. Step 3: Cross multiply
    1,014.15x = 1,527.17 × 885.67
  4. Step 4: Simplify right side
    1,014.15x = 1,352,565.39
  5. Step 5: Solve for x
    x = 1,352,565.39/1,014.15
  6. Step 6: Final answer
    x = 1,333.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.