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Finding the Fourth Proportional to 888.16, 1,225.92 and 604.66

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Solution

The fourth proportional to 888.16, 1,225.92 and 604.66 is: 834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.16 : 1,225.92 = 604.66 : x
  2. Step 2: Convert to fraction form
    888.16/1,225.92 = 604.66/x
  3. Step 3: Cross multiply
    888.16x = 1,225.92 × 604.66
  4. Step 4: Simplify right side
    888.16x = 741,264.79
  5. Step 5: Solve for x
    x = 741,264.79/888.16
  6. Step 6: Final answer
    x = 834.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.