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Finding the Fourth Proportional to 651.62, 975.11 and 608.18

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Solution

The fourth proportional to 651.62, 975.11 and 608.18 is: 910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.62 : 975.11 = 608.18 : x
  2. Step 2: Convert to fraction form
    651.62/975.11 = 608.18/x
  3. Step 3: Cross multiply
    651.62x = 975.11 × 608.18
  4. Step 4: Simplify right side
    651.62x = 593,034.48
  5. Step 5: Solve for x
    x = 593,034.48/651.62
  6. Step 6: Final answer
    x = 910.09

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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.