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Finding the Fourth Proportional to 627.84, 941.60 and 525.76

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Solution

The fourth proportional to 627.84, 941.60 and 525.76 is: 788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.84 : 941.60 = 525.76 : x
  2. Step 2: Convert to fraction form
    627.84/941.60 = 525.76/x
  3. Step 3: Cross multiply
    627.84x = 941.60 × 525.76
  4. Step 4: Simplify right side
    627.84x = 495,055.62
  5. Step 5: Solve for x
    x = 495,055.62/627.84
  6. Step 6: Final answer
    x = 788.51

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Double scale
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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.