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Finding the Fourth Proportional to 734.80, 1,095.88 and 625.82

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Solution

The fourth proportional to 734.80, 1,095.88 and 625.82 is: 933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.80 : 1,095.88 = 625.82 : x
  2. Step 2: Convert to fraction form
    734.80/1,095.88 = 625.82/x
  3. Step 3: Cross multiply
    734.80x = 1,095.88 × 625.82
  4. Step 4: Simplify right side
    734.80x = 685,823.62
  5. Step 5: Solve for x
    x = 685,823.62/734.80
  6. Step 6: Final answer
    x = 933.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.