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Finding the Fourth Proportional to 626.10, 934.73 and 479.08

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Solution

The fourth proportional to 626.10, 934.73 and 479.08 is: 715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.10 : 934.73 = 479.08 : x
  2. Step 2: Convert to fraction form
    626.10/934.73 = 479.08/x
  3. Step 3: Cross multiply
    626.10x = 934.73 × 479.08
  4. Step 4: Simplify right side
    626.10x = 447,810.45
  5. Step 5: Solve for x
    x = 447,810.45/626.10
  6. Step 6: Final answer
    x = 715.24

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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.