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Finding the Fourth Proportional to 488.84, 675.07 and 461.57

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Solution

The fourth proportional to 488.84, 675.07 and 461.57 is: 637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.84 : 675.07 = 461.57 : x
  2. Step 2: Convert to fraction form
    488.84/675.07 = 461.57/x
  3. Step 3: Cross multiply
    488.84x = 675.07 × 461.57
  4. Step 4: Simplify right side
    488.84x = 311,587.53
  5. Step 5: Solve for x
    x = 311,587.53/488.84
  6. Step 6: Final answer
    x = 637.41

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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.