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Finding the Fourth Proportional to 626.03, 933.70 and 549.48

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Solution

The fourth proportional to 626.03, 933.70 and 549.48 is: 819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.03 : 933.70 = 549.48 : x
  2. Step 2: Convert to fraction form
    626.03/933.70 = 549.48/x
  3. Step 3: Cross multiply
    626.03x = 933.70 × 549.48
  4. Step 4: Simplify right side
    626.03x = 513,048.10
  5. Step 5: Solve for x
    x = 513,048.10/626.03
  6. Step 6: Final answer
    x = 819.53

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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.