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Finding the Fourth Proportional to 627.57, 941.55 and 302.94

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Solution

The fourth proportional to 627.57, 941.55 and 302.94 is: 454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.57 : 941.55 = 302.94 : x
  2. Step 2: Convert to fraction form
    627.57/941.55 = 302.94/x
  3. Step 3: Cross multiply
    627.57x = 941.55 × 302.94
  4. Step 4: Simplify right side
    627.57x = 285,233.16
  5. Step 5: Solve for x
    x = 285,233.16/627.57
  6. Step 6: Final answer
    x = 454.50

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Double scale
Find fourth proportional to 628.57, 943.05 and 303.94
Similar ratio
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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.