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Finding the Fourth Proportional to 626.77, 934.86 and 590.63

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Solution

The fourth proportional to 626.77, 934.86 and 590.63 is: 880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.77 : 934.86 = 590.63 : x
  2. Step 2: Convert to fraction form
    626.77/934.86 = 590.63/x
  3. Step 3: Cross multiply
    626.77x = 934.86 × 590.63
  4. Step 4: Simplify right side
    626.77x = 552,156.36
  5. Step 5: Solve for x
    x = 552,156.36/626.77
  6. Step 6: Final answer
    x = 880.96

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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.