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Finding the Fourth Proportional to 648.94, 895.47 and 452.89

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Solution

The fourth proportional to 648.94, 895.47 and 452.89 is: 624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.94 : 895.47 = 452.89 : x
  2. Step 2: Convert to fraction form
    648.94/895.47 = 452.89/x
  3. Step 3: Cross multiply
    648.94x = 895.47 × 452.89
  4. Step 4: Simplify right side
    648.94x = 405,549.41
  5. Step 5: Solve for x
    x = 405,549.41/648.94
  6. Step 6: Final answer
    x = 624.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.