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Finding the Fourth Proportional to 625.05, 935.75 and 463.46

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Solution

The fourth proportional to 625.05, 935.75 and 463.46 is: 693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.05 : 935.75 = 463.46 : x
  2. Step 2: Convert to fraction form
    625.05/935.75 = 463.46/x
  3. Step 3: Cross multiply
    625.05x = 935.75 × 463.46
  4. Step 4: Simplify right side
    625.05x = 433,679.17
  5. Step 5: Solve for x
    x = 433,679.17/625.05
  6. Step 6: Final answer
    x = 693.83

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1.5x scale

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.