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Finding the Fourth Proportional to 625.05, 935.51 and 603.18

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Solution

The fourth proportional to 625.05, 935.51 and 603.18 is: 902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.05 : 935.51 = 603.18 : x
  2. Step 2: Convert to fraction form
    625.05/935.51 = 603.18/x
  3. Step 3: Cross multiply
    625.05x = 935.51 × 603.18
  4. Step 4: Simplify right side
    625.05x = 564,277.91
  5. Step 5: Solve for x
    x = 564,277.91/625.05
  6. Step 6: Final answer
    x = 902.77

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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.