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Finding the Fourth Proportional to 625.42, 933.94 and 589.42

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Solution

The fourth proportional to 625.42, 933.94 and 589.42 is: 880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.42 : 933.94 = 589.42 : x
  2. Step 2: Convert to fraction form
    625.42/933.94 = 589.42/x
  3. Step 3: Cross multiply
    625.42x = 933.94 × 589.42
  4. Step 4: Simplify right side
    625.42x = 550,482.91
  5. Step 5: Solve for x
    x = 550,482.91/625.42
  6. Step 6: Final answer
    x = 880.18

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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.