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Finding the Fourth Proportional to 625.93, 937.51 and 613.46

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Solution

The fourth proportional to 625.93, 937.51 and 613.46 is: 918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.93 : 937.51 = 613.46 : x
  2. Step 2: Convert to fraction form
    625.93/937.51 = 613.46/x
  3. Step 3: Cross multiply
    625.93x = 937.51 × 613.46
  4. Step 4: Simplify right side
    625.93x = 575,125.69
  5. Step 5: Solve for x
    x = 575,125.69/625.93
  6. Step 6: Final answer
    x = 918.84

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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.