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Finding the Fourth Proportional to 894.27, 1,341.92 and 529.77

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Solution

The fourth proportional to 894.27, 1,341.92 and 529.77 is: 794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.27 : 1,341.92 = 529.77 : x
  2. Step 2: Convert to fraction form
    894.27/1,341.92 = 529.77/x
  3. Step 3: Cross multiply
    894.27x = 1,341.92 × 529.77
  4. Step 4: Simplify right side
    894.27x = 710,906.31
  5. Step 5: Solve for x
    x = 710,906.31/894.27
  6. Step 6: Final answer
    x = 794.96

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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.